Sort by
Relevancy

Free Stories

100%
Uncle sweet Lover
Uncle Barney called me this morning and wanted me to keep my evening free. He wanted to meet me at the motel with a surprise for me. I was so excited and could hardly wait. I had to decide on something to wear, but when I thought about it, I realized that I wanted to wear something special. He would... Read full Story
Regina10 2024-02-19 4,124 anal Crossdresser Big Tits Creampie Fetish Blowjob Big Cock Ebony Ladyboy Guy Fucks Shemale Mature big ass femboy
71%
White fuckslut Tgirl & 3 BIG BLACK COCKS Initiation
You lucky, slutty BBC Tgirl fuckslut, I envy you soooooo much. This is the most erotic and best BBC story on this web site. Pleeease keep writing about your BBC fantasies. What a bargain to get gangbanged by about 30 big black studs for only 15 Euros. I loved it when you begged them to fuck you.\r\n... Read full Story
TgirlJill4BBC 2013-06-03 5,865 Stockings Cumshot Big Cock gangbang Lingerie Interracial Latex
60%
Teasing BIG BLACK COCKS at truck stops
I'm a white blonde bubble butt Tgirl living in Las Vegas and sometimes I go out and cruise the truck stops on I15 down south to I10. I do it at night and sometimes for a whole weekend in my mini van which has darkened windows. I love to get out of my mini van and walk around the back parking row at ... Read full Story
TgirlJill4BBC 2013-06-03 7,747 Stockings blonde Big Cock cum Lingerie Interracial Latex
71%
TGirl Initiation by 3 BIG BLACK 12
In my teen years I was often told that I was quite feminine.The high school punks always told me that I filled out the back of my jeans in a girly way. After taking a shower one day I did notice that they were right, I had a nice white bubble butt. Not to mention that my lips were also quite girly. ... Read full Story
TgirlJill4BBC 2013-06-04 8,876 Stockings Cumshot suck Big Cock Lingerie Interracial Latex
100%
The Big Tiddy Goth Girl
Hannah and I went to the pool in my apartment complex. This was my first time dressed as female in public and I was loving my new, feminine tan lines. To keep a long story short, while tanning we were perv'd on and approached by a guy calling himself Mark. He was desperate for our attention and fumb... Read full Story
KaceyKlarissa 2024-02-23 4,106 Crossdresser Big Tits Cumshot Masturbation threesome Big Cock Shemale and Girl small cock big ass sissy femboy cum on tits goth
50%
Towel Boi: You're Hired
Kasey Stevens woke up in his new studio apartment. The five-foot-nine, blue-eyed sissy with ash brown hair yawned and stretched before heading into the bathroom. He showered, taking good care to lather his rosy skin with strawberry scented body wash. He shaved his legs and rinsed off. Then, he appli... Read full Story
Faggyboi and Puzziboi 2023-11-14 5,683 anal Small Tits Crossdresser Amateur Bareback Blowjob Guy Fucks Shemale Interracial small cock big ass femboy
87%
Girl from Uncle
Tonight, I have to tell it all. It’s no secret that my uncle and I had a very special bond he had been eyeing me with those adventurous eyes from the time that I was 14 years old. And frankly I enjoy his ogling. I could feel my nipples get so hard when he looked through me with those alert and spark... Read full Story
Regina10 2024-02-14 4,602 anal Crossdresser Big Tits Bareback Blowjob Big Cock Ebony Lingerie Guy Fucks Shemale big ass femboy Ass to Mouth cum in mouth
100%
Police House Call
My heart was beating a mile a minute when I heard the knock on my door. I was hoping that it might be Beau, or Larry, or if I’m lucky it would be Tom Cobb. He asked me to call him Tommy. I had been thinking about him recently. Bo and I had banged the night before, but I was as horny as ever. Larry w... Read full Story
Regina10 2024-04-19 2,435 Crossdresser Big Tits Bareback Blowjob Big Cock Ebony Guy Fucks Shemale big ass femboy cum in mouth
100%
Got my ass pounded in Miami by a tranny escort
Got my ass pounded in Miami by a beautiful tranny escort with a 10 inch thick cock. Years ago I was in Miami for a business trip. Four days just me in my hotel room. I decided to treat myself to some of the X rated channels that my hotel provided. As usual I went straight to the tranny porn.... Read full Story
My Shemale Attraction 2023-01-03 6,541 Amateur Big Tits Masturbation Creampie Shemale Fucks Guy Blowjob
100%
First time with big surprise
My first story translated into English, I hope you like it. It was late at night, I had been drinking with friends and was on my way home. I am a man in his early 30s, smartly dressed and looking quite attractive. The night was beautiful, clear sky, warm and in the city were some people on the ... Read full Story
Marten1201 2023-01-06 6,570 Big Tits Bareback Creampie Shemale Fucks Guy blonde Big Cock
100%
delicious virile male flesh
Tasted delicious virile male flesh… The breeze caressed my swollen nipples giving me pleasant shivers. The two glasses of Riesling had also contributed to my excitement. My crotch was burning as if the disappearing sun had blown all its thermal energy into me. Under my fine lace panties, purple o... Read full Story
hippocampus_171 2023-04-23 4,794 anal Small Tits Amateur Creampie Blowjob Mature small cock big ass feminisation cum in mouth gaycd virile
100%
First Time I Experienced Eating a Tgirl Out
So this is likely going to seem tabboo for some and if this is not your thing, I respect that but everyone is different. Eating pussy came natural to me like it does for most guys once they start having sex with girls. Other than one time 69ing with a female and having what I would call "incidental ... Read full Story
AllenB 2022-10-21 4,888 Amateur Big Tits Cumshot Latina Creampie Fetish Blowjob rimming Homemade cum in mouth latina ts
92%
First Time I tasted Tgirl Sperm
I met a Mexican Trans girl online from Hermosillo and we hit it off and corresponded for a a few months. The vibe was good and ended up deciding that I would help her pay the $140 bucks for her 6-month tourist visa to come up and visit..the process took forever but once she got it, I booked her a pl... Read full Story
AllenB 2022-08-09 8,473 Crossdresser Amateur Cumshot Latina Bareback Creampie Shemale Fucks Guy Fetish Blowjob Interracial Homemade cum in mouth
100%
Lola Chapter 2
Lola Chapter 2: A couple? It wasn't as if we were together. We had jerked off together once, and of course we slept in separate rooms, but I slept restlessly that night. Dreamed something scary that I couldn't remember in the morning. I didn't have work scheduled that day so I took it easy. When ... Read full Story
BellaBeau 2023-10-05 5,187 anal Cumshot Creampie Guy Fucks Shemale Homemade latina Tgirl
100%
2nd date with Latina Sissy Destiny
So this was my second time with Destiny, a really cool Latina CD/Sissy who had just turned 22. You might want to read my first goaround with her title, “Deflowering Latina Sissy Destiny” as it will give background and context here. After our first encounter, she signaled that she was definitely... Read full Story
AllenB 2022-04-05 3,890 Crossdresser Cumshot Latina Creampie Shemale Fucks Guy Blowjob Interracial cd Homemade sissy cum in mouth cum swallow amatuer cd
100%
Sissy Femboy Chrissy in Drag 2: At the Apartment
This is Part 2 to the article I wrote called "Sissy Femboy Chrissy in Drag at the Club." In that story I explained how I am 41 but look, feel and sound younger, that I shave myself smooth and like dressing in gurly panties and other female clothes to be a sissy femboy for older guys. A guy I met on ... Read full Story
Chrissy Tunnell 2022-02-03 3,417 Crossdresser Amateur Bareback Creampie Fetish Blowjob Ladyboy Lingerie domination Guy Fucks Shemale Mature
50%
Towel Boi: Heading to Work
“Goddamn, white boi! You got the best fuckin’ ass,” declared the father of two. His steel manly form perspired as he moved hard into the bottom. “Look at all that butt shake! Twerk it for me, baby boi!” “Yes, sir,” cooed Kasey, gyrating rhythmically. “Hell yeah! It’s like fucking two big ol’ ma... Read full Story
Faggyboi and Puzziboi 2023-11-17 5,788 anal Crossdresser Bareback Creampie Blowjob gangbang Lingerie Guy Fucks Shemale Interracial sissy femboy bbc
85%
My First Time
When I was 18, my mom and I moved to a little town on LI. Right next to our house was a largely used road even at night. Right on the corner of my street and that large street was a gas station I always bought cigarettes from. Right next to the gas station was a bank with a parking lot that ... Read full Story
Rayla Perez 2018-05-22 14,224 Cumshot latina Tgirl
89%
Tgirl BBC slut Jill ravaged by 3 BB12"Cs at BBC nightclub
I'm a white whore blonde bubble butt Tgirl BBC fuck slut living in Las Vegas. I love it here because we get many big black studs who cum here to be serviced. I dance at a private unadvertized no-name shemale club off the strip which caters to big black studs only. I love the thrill of being on ... Read full Story
TgirlSlut4BBC 2015-02-15 16,486 tranny ass Big Cock gangbang high heels bbc
88%
Tgirl BBC slut Jill teases BBCs at truck stops
I'm a white blonde bubble butt Tgirl living in Las Vegas and sometimes I go out and cruise the truck stops on I15 down south to I10. I do it at night and sometimes for a whole weekend in my mini van which has darkened windows. I love to get out of my mini van and walk around the back parkin... Read full Story
TgirlSlut4BBC 2015-02-15 4,625 tranny Big Cock dp bbc
75%
My first taste of tranny cock.
So got my first taste of tyranny cock over the holidays. My wife found a sexy tgirl on Craigslist something we have wanted to do for awhile now. It was so great she was super sexy blonde huge tuts and a fat 9 inch cock that she used on both of us. Best time of my life she fucked me while my wife suc... Read full Story
Trannylover6983 2018-01-04 9,864 Big Tits Bareback Creampie
100%
A Perfect Pandemic: A Transsexual Transition in a Troubled Time
A Perfect Pandemic A Transsexual Transition in a Troubled Time A Novelette by Alexandra Rios Text Copyright Reserved © August, 2021 Dedication Transgender Day of Remembrance is a solemn occasion. I am offering “A Perfect Pandemic” for free as an antidote to the fear, phobia, discrimination, d... Read full Story
the greatest liar 2021-11-16 4,842 Teen (18+) Crossdresser Group Sex Big Tits Bareback Creampie Big Cock gangbang domination Guy Fucks Shemale Interracial double anal webcams
37%
My Deviant Tgirl
I guess it was one of those tranny surprise moments she was a sexy shemale, I was a horny guy, nothing more... However, it is one of these transexual stories you simply must hear. You may think it's just transgender fiction, but I assure you: It's all true. I always found transgender fiction and ... Read full Story
shemale lover 2012-03-26 5,621 huge cock big boobs tgirl
91%
My first tgirl Seduction, Damn Magnum
I decided to finally just go with my biggest fantasy for years, make love to a Ts. I Drive 18 wheelers across America and Im a very to myself kind of person. But at the sametime I can be that socual butterfly, standing 6 foot 5 having a tool 11 plus inches, I knew I needed special size condoms. Not ... Read full Story
Outkastinkz 2013-12-08 5,284 tranny Cumshot Big Cock ts dream
88%
Tgirl trained to be the town whore to serve ALL Black men
A few years back I spent time on and off with several shall we say more dominating types of gentlemen One of them, who for this I shall call Leroy, just loved when we got together to make me totally helpless. It was our 6th or 7th meeting. Leroy and i had been chatting on Yahoo and when he f... Read full Story
__tiffanylondontv__ 2014-09-30 5,923 suck shemale ass fucking Interracial big cocks
100%
Towel Boi: Agreement Signed
Ralph moved the mouse to wake up the computer. He navigated to his legal docs account and downloaded a generic pre-existing relationship agreement. He asked for the spelling of the new hire’s first and last name. “First name K-A-S-E-Y. Last name S-T-E-V-E-N-S.” “Got it,” acknowledged the owner. ... Read full Story
Faggyboi and Puzziboi 2023-11-14 5,643 Crossdresser Bareback Creampie Blowjob Guy Fucks Shemale Interracial small cock big ass sissy femboy
100%
My favorite time with a man as a Tgirl
I was in the dance clubs with my friends and we were very sexy dressed in heels and low tops and I was in high heels and a mini dress that was flowers all around it. My ass looked so big and round in that dress. It was low on my big boobs and very tight so my boobs looked like they have coming out. ... Read full Story
shemale lover 2012-09-29 2,518 first time tranny anal sex Creampie
100%
Oneness with the bodies
many years went into just fantasizing being with shemales. I was getting hornier day by day to try it out. But being in a relationship there was hardly any room or time for it. I once experienced it in bangkok and confirmed that I really can do it and actually love it. One day suddenly it was br... Read full Story
zyankhaan786 2023-05-30 6,228 Group Sex Bareback Shemale Fucks Guy Big Cock domination big ass cum in mouth double anal
50%
Fluffy Takes a Walk
It neared dusk at ValueStar Motor Lodge which sat smack dab in the middle of the hood. Inside of Room Twelve, an average height, chubby, brown-skinned femboy repeated the douche. He let out the stream of lukewarm water and turned around to study the toilet as the hip hop music blared in the backgrou... Read full Story
Faggyboi and Puzziboi 2023-04-09 5,049 Crossdresser Big Tits Guy Fucks Shemale big ass sissy femboy BB fagg faggyboi puzziboi
87%
First time in Key West
I've always been fascinated by shemales.  Aside from having an overall appreciation for how the male member in general functions and, when properly stimulated, pulses and pumps...cum spewing from the tip.  I've watched any number of webcam shows where guys jerk off.  And yeah, I've wa... Read full Story
peepholeman 2018-01-04 27,988 Amateur Latina Bareback Blowjob Ass to Mouth cum in mouth
83%
Fun with a latina tranny
So I'm a big fan of a big tranny cock in my ass. Just throwing that out there early on here. So this past summer I decided that with my school being off I should get some tranny cock as fast as I could. I went on a site and set up a new account, hoping for the same luck I had a few months ago wit... Read full Story
shemale lover 2012-09-15 3,522 anal Latina cum oral Sex Toys strapon
100%
Whoops, I fucked my bosses son! Real story, written by a tgirl
Normally I never would have entertained the idea of sleeping with a co-worker but when I saw my boss’s son for the first time, that idea quickly went out the window. It wasn't like I didn't think about fucking my co-workers, I did… in fact, I would leave work some days leaking with precum from the v... Read full Story
Madison Heights 2022-10-27 6,618 Bareback Blowjob shemale Big Cock Uniform Lingerie tgirl office sex cum in mouth coworker creampied workplace
80%
Bisexual Black Man's Paradise
The name is T.J. Brown. I'm an engineer working at Walpole, the toughest correctional facility in the state of Massachusetts. My days are spent reading books, exercising and occasionally tussling with other workers. The facility is undergoing some expansion and I'm the lead engineer on this gig, wor... Read full Story
shemale lover 2012-06-24 5,227 big dick tranny anal sex Cumshot orgy facial oral sex
20%
Extend Sissy
Extend pls! https://sissy.fun/sissy-bimbo-whre-mayatsarina-chained-up-big-butt-tranny-wth-toy-in-asshole/ , https://xxxposed.fun/prostitute-fucktoy-slave-bimbo-mayatsarina-for-rent-cheap/ , and also this https://xxxposed.fun/dumb-bimbo-whore-may... Read full Story
MayaTsarina Bimbo 2024-03-14 7,350 big ass sissy femboy Exposed Sissy exposed
16%
Current Fantasy
I really wanna get fucked for the first time and my dream way of doing it, always wanted to do a porn. The dream is that I go there and get done up in such a way, I am unrecognizable, just looking the best. Have a tranny come in and do my make up, the way she likes it and gives me a preview of what ... Read full Story
martley 2023-06-30 4,987 anal Amateur Group Sex Cumshot Fetish Big Cock Lingerie big ass Homemade femboy shemale fucks shemale cum in mouth
50%
Being Shemale
Every night I wear make up and dress up in a sexy lingerie. I stand in my balcony late night trying to lure men and women driving on the road. Last night a truck driver stopped near my house to inspect his vehicle. During his inspection he suddenly saw a long legged booty women in the balcony inf... Read full Story
babydriver 2024-06-04 441 Stockings Crossdresser solo Outdoor Ebony Asian Ladyboy Lingerie big ass sissy femboy
100%
Playfull Sexy Shemale LindaTgirl
The overwhelming passion will start. When you date me... it will all start with kisses and wrapping with my legs around your body and showing of her gorgeous smal tits.The, while sitting on your lap I will whisper in your about what will be next.. About what turns me on... about sucking, licking,... Read full Story
TS-Linda. 2022-02-21 2,376 Small Tits Amateur shemale Lingerie escort money latina ass PAWG Pawg Tranny lindatgirl
50%
lust of a sex-agenarian nana-pops
Frenzied lust of a sex-agenarian nana-pops; between dream and reality I had never fantasized of a manly man, even after offering my virginity; to a fabulous sissy. Before my new Era, my fantasy preferences were always with glabrous he-she’s, same about my relationships after… BUT BUT BUT… My last t... Read full Story
hippocampus_171 2023-07-09 4,437 anal Small Tits Amateur Group Sex Masturbation Guy Fucks Shemale Sex Toys Mature small cock big ass sissy femboy
75%
Submit to big mexican verga
When my travels take me to San Jose area, always hook up with Grace. Not too attractive, but she has the largest cock for dominating my slutty mouth and ass. The latest visit I brought along a leg spreader and wrist restraints. So I get to her place, we exchange our pleasantries, then get undress... Read full Story
hockeypuck 2018-05-29 3,461 Latina Big Cock
91%
Banana Fetish
I was 27 and single and enjoying being free sort of the ‘sworn to fun loyal to non’ stage in young adulthood. I lived alone in a 1-bedroom apartment and loved working on my motorcycle which I kept in my living room. Most Friday nights for me were jamming out to music, enjoying a few beers and tinker... Read full Story
AllenB 2023-02-16 9,697 Latina Fetish Big Cock Guy Fucks Shemale Interracial rimming Homemade Ass to Mouth Banana ass eating
88%
Dirty little restroom tgirl slut. Part 2
As I left the stall I was grabbed by the arm by my friend, he winked at me knowing that I wanted to tease them all, I pulled the hem of my skirt showing off my cute panties. The two bigger guys who were in the restroom came over to me, they both towered over me they unzipped their pants releasing tw... Read full Story
Sophie Boi 2017-05-25 6,451 tranny suck Big Cock panties public
50%
The BIG COCK that I will eat.
ENGLISH: Hello friends. In the link below, you can see the tranny cock that will fuck me in the days to come. I saw her advertised on the internet, I picked up the phone and called, I will see her when her clinical tests are negative for sexually transmitted diseases, because I will surely swallow... Read full Story
cuchillo 2020-09-18 7,513 Amateur Cumshot Latina Shemale Fucks Guy Blowjob Big Cock Homemade cum in mouth brunette ts swallow cum
96%
My First Sex with Tgirl
This is story about me......Hope you all enjoy it I was 19 years old and itching to have sex like every normal teenager. Years of jerking off to porn had only expanded my imagination and made me want to fuck a girl even more. I was turned on by just about anything and everything except gay porn. Ev... Read full Story
sach 2016-02-16 13,301 first time tranny ass fucking guy on shemale mutual suck
80%
The Farm
“See you Sunday, baby,” said Marcus Jenkins to his wife, Tasha. “Alright! Have a good day at work,” the wireless phone company retail store manager smiled. “Love you, Kobe! Love you, Tiara,” the wastewater plant operator said to his offspring. “Love you, too, daddy,” the youngsters rang out in un... Read full Story
Faggyboi and Puzziboi 2021-12-08 5,240 Teen (18+) gangbang Guy Fucks Shemale sissy femboy Ass to Mouth
100%
Deflowering Latina Sissy Destiny
A real life story of my one and only time deflowering someone and being their first real encounter, I was 27 at the time and she was 21. I am absolutely convinced that Trans girls and CDs have a bit of a 6th sense when it comes to perceiving which guys are into them even in a public situation. I ... Read full Story
AllenB 2022-09-07 6,130 first time Big Cock Guy Fucks Shemale Homemade sissy travesti cum in mouth
45%
That ass was amazing
another adventure from fb i met a friend thru a relative only thing is he was playing and i was not he asked me if i would fuck this girl not to attractive but with the kind of ass i like plump,juicy u see i,m strictly top and i luv to fuck expecially ass,the bigger the better so i sent her a friend... Read full Story
jrryder 2014-02-18 3,767 tranny suck Creampie ass fucking Guy Fucks Shemale
100%
A Series of Perverse Dreams, Part 2
Three or four days had passed since my torrid alley way dream. Hannah had recently come over to share a few glasses of wine and a steamy fuck session in the shower. She had definitely embraced the ways of edging I had shown her because when she came in my mouth I could barely contain the massive amo... Read full Story
KaceyKlarissa 2024-02-29 3,599 Crossdresser Big Tits Cumshot Bareback Fetish Blowjob blonde Big Cock big ass Futanari bukkake sissy cum in mouth
66%
A Series of Perverse Dreams, Part 3
After my last couple dreams, I began to watch a ton of gangbang and bukkake porn. I had jerked to this kinda stuff before but now I was watching it constantly and this time around, it was to the thought of being the girl in the scene. Something about watching a beautiful woman taking numerous cocks ... Read full Story
KaceyKlarissa 2024-03-08 3,593 anal Big Tits Cumshot Creampie Blowjob blonde gangbang big ass sissy Ass to Mouth cum in mouth bimbo bimbofication
60%
The Greatest Liar, Date With The Devil
The Greatest Liar, Trans Erotica With A Purpose © Alexandra Rios 2019, all rights reserved Disclaimer This is a work of fiction. All characters (including the narrator), firms, business entities, organizations, teams, products, medical providers, medicines, governments, government officials, c... Read full Story
the greatest liar 2019-08-20 3,935 Big Tits Bareback Creampie Guy Fucks Shemale
81%
My first time getting a big cock in my ass
I got talking with a relatively local guy, much older than us, but had a thick 8.5" uncut cock, which was perfect for what I wanted to watch enter my Mrs. Our messages went something like this... Me "Did you want to meet up first?" Him "If you want" Me "We'll chat about a plan, then I'll... Read full Story
BalkanLoco91Ri 2019-08-26 7,436 Amateur Cumshot Bareback Creampie Blowjob Big Cock Homemade pov Ass to Mouth
100%
Big cock heaven.
I live in Vancouver and saw a beautiful trans escort online and couldn’t resist setting up a meeting. I met her at a hotel and she was just as beautiful in person as online. She was Asian and had the most wonderful big tits and ass. Her cock was a solid 8 inches, uncut with a big mushroom head, whic... Read full Story
Eyecandy64 2024-02-06 5,647 anal Bareback Creampie Shemale Fucks Guy Blowjob Big Cock Asian
100%
sex-agenarian's onanic lust
An onanic lust of a sex-agenarian that I am; I'M IN BIG HEAT; it's the season of bodily reunions in nature... I'm like an elephant(e) waiting to be satisfied. My cloaca is starting to titillate at the mere sight (look hah!) of a guy's swollen crotch on the street... I activated all my sensors to sa... Read full Story
hippocampus_171 2024-03-09 3,258 anal solo Amateur Masturbation Creampie Sex Toys Mature small cock
100%
Trying new sexual pleasure
I was 18,when I started to exploring other sexual pleasure,you could say that I had a wild,and kinky side.when ever there was nobody home,I would go in the bathroom,and grab a pair of my sister panties,and would put them on.it felt so good ,as my cock would get totaly hard,I even wet far wearing her... Read full Story
shemale lover 2012-07-15 2,649 Crossdresser Creampie doggy style oral sex assfucking
100%
Dimensional Portals Suck Ass
Marley was dead: to begin with. Hold it… no, no that’s not right. My mind is wandering. What was I gonna write about? MATT! Yeah, Matt was a bastard. And I mean it in the sense that he sucked monkey balls. That’s an expression I like, sucked monkey balls. Anybody ever played blows... Read full Story
shemale lover 2012-09-21 2,935 Creampie oral facial huge tits
93%
Dominated
I was out walking one night, a walk i used to make with my girlfriend. We had just broken up a few days ago. I don't know why I was walking here again, the memories weren't good ones. She had cheated on me with my best friend. Anyways, I was walking this familiar path through the city streets when I... Read full Story
shemale lover 2012-11-12 6,688 anal tranny Creampie oral
97%
Shemale fucks guy - My gf fucks my slutty ass.
I have a shemale girlfriend & we both are in a relationship. One day, I decide to give her a visit. I'm 5'7 guy & she's 6 feet. That makes her tall & intimidating & whenever we meet, it's me who become her gf. I visit her, she takes me in. SHe pulls me towards her while giving me a deep kiss. I ... Read full Story
glodobox 2020-12-04 21,817 Amateur Creampie Shemale Fucks Guy Fetish Blowjob Big Cock Ladyboy Homemade cum in mouth