Sort by
Relevancy

Free Stories

88%
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 5,207 anal Crossdresser Big Tits Bareback Blowjob Big Cock Ebony Lingerie Guy Fucks Shemale big ass femboy Ass to Mouth cum in mouth
100%
Meeting Amanda
I’m a happily married man. My wife Tess and I have been together since we were teenagers. We were each other’s first real lovers and being in our mid-thirties by now, we still madly in love with each other. Tess and I always are very honest and open to each other. Both in normal life and sexual... Read full Story
rforasht 2022-07-20 7,439 Big Tits Cumshot Shemale Fucks Guy threesome blonde Big Cock Lingerie Shemale and Girl redhead Homemade Shemale fucks couple
91%
Masturbation fantasies: Amanda, queen of the peep show
A guy visits a peep show with unexpected results. As he gets to watch a girl with something special, he discovers his hidden desires. This story contains: peep show – voyeur – gloryhole - fake tits – group masturbation – male masturbation – shemale – frottage - titfucking When William finall... Read full Story
ThatEroticWriter 2019-07-24 8,473 Big Tits Cumshot Masturbation Uniform Frottage
75%
Amy Finally Lives Out Her Fantasies Part 2
"Wow! What got into you?" "I don't know, I just decided to finally loosen up and go with my desires," she explained. "Did you enjoy it?" "Are you nuts? I LOVED every second of it!" I exclaimed. Figuring the alcohol played a very large role in her sudd... Read full Story
shemale lover 2011-09-15 3,687 Big Tits ass fucking fishnet
91%
Panty Town
Chapter One -- Jamie Jamie Sanders did not think he was a sissy. Growing up, he played with trucks and showed his innate male aggression though soldiers games with the other boys. He climbed trees and watched baseball with his Dad and brother. Unfortunately, by the time he was in eighth grad... Read full Story
shemale lover 2012-01-29 19,392 Big Tits sucking ass licking fucking
25%
Fantastic threesome w/ Miranda Pinocchio & Danielle Albuquerque
Today taken by the craving for something really big I call Miranda who answers me immediately and despite the language barriers and her way of speaking not always understandable we agree for 70 and a quiet thing. I sling in Naples, central area, the usual low in the alleys between via Marina and the... Read full Story
RonWisley 2020-05-04 4,684 Amateur Cumshot Shemale Fucks Guy threesome Blowjob Big Cock
100%
Surprise Ending (Part One)
My wife is the picture of professionalism from 8 to 5, but after hours she is a sexual dynamo who loves men and women. Throughout our relationship she has introduced several of her gal pals into our bedroom, hot tub, shower, etc...you get the idea. Anyway, two weeks ago she let me know that one o... Read full Story
Chantel13 2022-08-23 5,465 Crossdresser Amateur Group Sex Outdoor Bareback Shemale Fucks Guy threesome Big Cock Shemale and Girl Guy Fucks Shemale Ass to Mouth cum in mouth
78%
A Little Girl Forever
Since I was a little girl I dressed in my sister's clothes, she knew it and she kept clothes for me and sometimes she bought clothes thinking about me. She was my accomplice and still is. When I was alone I dressed totally as a woman and I felt totally satisfied and realized as such, this included m... Read full Story
Mabel Cecilia 2019-05-06 8,037 Small Tits Crossdresser Amateur Cumshot Latina Masturbation Creampie Blowjob blonde Lingerie Shemale and Girl Guy Fucks Shemale Sex Toys Mature self sucking Solo Shemale cum in mouth double anal shemale + shemale
91%
HOW MY AUNT AND SISSY NEPHEW CHANGED MY LIFE FOREVER! (fictional
It was the very first night of my month long North Carolina July summer vacation stay when my Aunt Meg suddenly entered the bedroom that I was temporarily sharing with my younger cousin Rudy. Being so openly effeminine in his body language,voice and looks, I had already planted such dirty thoughts ... Read full Story
CDDIXIE4U 2019-01-08 33,817 Teen (18+) Crossdresser Cumshot Masturbation Bareback Shemale Fucks Guy Fetish Blowjob Big Cock Ladyboy Lingerie domination Homemade Compilation cum in mouth shemale + shemale
66%
Samantha sissy TGTF
Theme and genre of the story: The genre is about gender bender, futanari, gay, physical transformations of the body, magic and biology, the kink in particular that must excite in the story is the perversion of the transformation of the body and mind through a magical element that manipulates biol... Read full Story
Samantha sissy world 2022-09-20 4,652 Teen (18+) Crossdresser Big Tits transformation transgender feminization pov sissification Cartoon magic Gender Bender
100%
Big Dick Alessia Visits Dallas
Alessia Hung Mature MILF travels to visit a Big Dicked Man and his Sexy Household If you like Transexuals, big cocks, bondage, BBWs, big clits, deep throat, fisting, 69, ass fucking, sounding, piercing, cum swallowing and big loads this story is for you. If not don't bother reading. If you fav... Read full Story
darrell 2022-04-20 4,351 Group Sex Cumshot Shemale Fucks Guy Blowjob blonde Big Cock Asian Shemale and Girl Sex Toys Mature Ass to Mouth shemale + shemale
100%
Being taught a lesson .......... I think!
How did I end up on my back in my own bed, legs straight up with my ankles over her shoulders, ready to have my ass fucked from a lost bet? A bet that Alma clearly cheated at as we discover. I was off to Thailand for a 16 week course in Thai massage at a school recommended highly by a friend I ha... Read full Story
Curious_billy 2023-11-12 8,241 anal Amateur Group Sex Bareback Creampie Shemale Fucks Guy threesome Big Cock domination Homemade Vintage cum in mouth
92%
T-Girl Meets T-Girl
It was a silent car ride home. He looked at her, she looked out the window. She looked at him, his eyes were on the road. Neither of them broke the silence. It stayed that way until he parked in her mom's driveway. The soft-spoken young man told his girlfriend, "Goodnight Ashley. I'll call y... Read full Story
shemale lover 2012-08-29 6,177 anal sex Cumshot shemale and shemale domination blondie
89%
Father-In-Law Shemale Adventure
My wife's parents were visiting LA from back east. We live in a small one-bedroom apartment in the valley. She wanted them to stay with us but we didn't have room. They got a room in West Hollywood. My wife and her mom had gone shopping for the day. I was supposed to be at work but at the last momen... Read full Story
shemale lover 2012-07-04 7,404 shemale oral facial facefucking
95%
First time
Hi, my name is Sandra. In fact, I'm not exactly a girl, but a CD. Even as a child, I felt different and I used every opportunity when I was left alone in the apartment to dress up, to put on women's clothes, to put on make-up. In time, I started watching porn, as did all my friends. But, unlike them... Read full Story
cd Sandra 2021-10-13 5,704 Stockings Teen (18+) Small Tits Crossdresser blonde Guy Fucks Shemale
100%
Alessia Travestita Hung Mature Blonde British Porn Star
Alessia Travestita Hung Mature Blonde British Porn Star If you like Transexuals, big cocks, bondage, domination, deep throat, fisting, spit roast, 69, ass fucking, cum swallowing and big loads this story is for you. If not don’t bother reading. If you like my story please leave comments and ... Read full Story
darrell 2022-01-03 4,659 Group Sex Cumshot Bareback Shemale Fucks Guy Blowjob Big Cock gangbang domination Sex Toys Mature cum in mouth shemale + shemale
80%
Buffy the Shemale Vampire Slayer Part 14
"Let's get this over with," Buffy suggested. "The sooner we start, the sooner I kick your demon ass." Baphomet smiled. "You will fuck the witch," he said, "while I fuck you." Buffy shook her head. "Willow's my best friend. I can't-" "Th... Read full Story
shemale lover 2011-08-23 5,070 anal sex asshole Big Cock
100%
Masturbation fantasies 2: Looking for Amanda
Previously: William, a young lawyer who has no luck with women, decide he needs some relief from a live girl. Scared of going with a prostitute, he decides to try out a peep show first. Without knowing that the stripper he chose is kind of special, he ends up in a show with a shemale called Amanda w... Read full Story
ThatEroticWriter 2019-07-24 8,895 Big Tits Cumshot Masturbation threesome Frottage
100%
Regina’s Double threat.
Hello guys, I recently ran into a former hater who was no longer the hater I had met years earlier. In fact, he had only treated me so horribly because of his own inner dark desires. When we met a few years ago at one of the clubs, he had been very abusive to me. He went out of his way to say hurtfu... Read full Story
Regina10 2022-02-08 3,069 Big Tits Cumshot Bareback Creampie Fetish Blowjob blonde Big Cock redhead Guy Fucks Shemale Ass to Mouth double anal
95%
T-Girl University
Jason was apprehensive about starting college, as any freshman would be. His high school girlfriend, Becky, whom he loved dearly, was going to a different college on the opposite side of the country. They had to promised to stay together but Jason was worried; there would be a lot of temptation for ... Read full Story
shemale lover 2012-09-05 14,822 Cumshot Masturbation Blowjob ass licking redhead
100%
Buffy the Shemale Vampire Slayer Part 15
The Slayer looked at the witch's ass. It was beautiful, she thought. Round and smooth and creamy white, each buttock seemed a half moon. Willow's impaled anus showed within the deep cleavage between the silken globes, its rim riding the stiff cylinder of Buffy's cock as she plunged it into the witch... Read full Story
shemale lover 2011-08-23 4,428 anal asshole shemale
40%
Dating all whole my life
Julia and Ilya, together 10 years It was more than 10 years and 2 children ago. In December 2005, we agreed to meet at the gate of my office after a working day. I did not go out godlessly for a long time (40 minutes from the appointed time), but he still waited. I hope he does not regret it ... Read full Story
PornoDating 2019-08-15 3,980 Crossdresser Amateur Big Tits Cumshot Bareback Creampie Fetish Blowjob blonde Big Cock Asian gangbang domination Guy Fucks Shemale Interracial sex Mature Futanari Frottage Compilation Ass to Mouth Cartoon cum in mouth double anal dating life in Mars? life
100%
A Fairy Tale Part 2
=-=-Chapter Six-=-= I woke up sometime later and I was feeling better, even a little hungry actually, and I wanted a shower and I needed to pee and...I cocked my head as I heard the unmistakable sounds of Mistress Stacy's bed moving. She had a large one, king sized, with old springs or somethi... Read full Story
shemale lover 2011-12-06 6,742 Creampie Big Cock ass fucking
66%
Trannies in Space
There was no spaceport on Jansen's Planet. There had been, but whatever calamity had befallen the world generations ago had also destroyed its port. It was one of so many planets out in the Barrens that had fallen on hard times. So Dekker set down the Barnabas in a clearing in the forest, a remna... Read full Story
ASSEaster5678 2019-01-25 12,191 Shemale Fucks Guy Guy Fucks Shemale Sex Toys space robots
100%
Jo, Shemale Goddess! Part 1
Jo plumped the cushion and carefully positioned it until it was precisely at the right angle. Nothing less than perfection would do. Ricki, her friend of twelve years was coming to stay overnight and she would notice if the tiniest thing was out of place. An impatient knock on the door signalled ... Read full Story
shemale lover 2011-09-04 5,472 anal sex sucking shemale
100%
Pleasantly Surprised
It was Friday night and Robert was sitting at home alone. His roommates were both out on dates, and his girlfriend, correct that ex-girlfriend, had moved all of her things out three weeks ago. It had been one of the dullest months in his adult life; four weeks of sitting in front of the television, ... Read full Story
shemale lover 2012-08-31 6,308 Big Tits Cumshot sucking threesome blondie
100%
His Perfect Shemale Partner Part 2
Quite a few things have changed since the last chapter. OK maybe not that many, I am still lusting after Sally's body needing to have my dick in her and feel her in me, but we are a lot closer now as we are living together. Sally has gone to her 1st choice University and I decided I would rather get... Read full Story
shemale lover 2011-08-28 4,837 Blowjob shemale cum
76%
Nylon teasers
They came into the video store where I worked as a clerk. Almost every day. Teasers. Both of them. What made it both great and terrible for me was that it fed my deepest fetish -- stockings -- as it denied me any fulfillment other than frequent and frantic "self-gratification."... Read full Story
shemale lover 2012-01-30 9,929 Stockings Big Tits fucking foot fetish
75%
Passion in the Rough
Tonight, I was searching in vain for a parking place close to the club, but unfortunately, I had arrived late and there were no empty spaces close by. I drove around and went down several streets in the same block until I found an empty spot. That was perfect I thought as I found a parking place and... Read full Story
Regina10 2024-04-27 3,353 anal Crossdresser Big Tits Outdoor Bareback Creampie Blowjob blonde Big Cock Ladyboy gangbang Guy Fucks Shemale
80%
Buffy the Shemale Vampire Slayer Part 13
Buffy's cock slipped out of Baubo's mouth, and she licked the smooth skin of the stiff, elongated shaft with her tongue. Baubo had no hands, but, even so, she was a superb cock sucker. More than once, she brought the Slayer to the brink of orgasm, then backed off, letting Buffy's sexual passion abat... Read full Story
shemale lover 2011-08-23 3,765 Masturbation pussy shemale
50%
Spy Girl
Vicki stood in the dark doorway as she watched her mark, Ivan Patrinkov, approach up the empty street. There was no way he would be able to see her where she stood in the shadows. She wore a skin tight leather jumpsuit with black low-heel boots. She would have preferred to have on a pair of stiletto... Read full Story
shemale lover 2011-11-09 4,721 anal sex shemale Frottage
87%
Fem Firm 3: The Return Of Frankie
PART 1 THE VISITOR Over the next couple of months, it was pretty much business as usual at the Firm. You know, depositions, court filings, motions, hot sloppy blow jobs and ass destroying anal sex (Thanks Angela!).Not to mention Friday Fuckfests. But since I started working here everyone se... Read full Story
bennyx709 2016-11-14 12,300 anal sex ass fucking oral sex cock sucking thick cock
100%
HOW ONE PEEPING TOM MORNING TURNED ME INTO A SHEMALE SISSY BITCH
It was while cutting across his back trailer park lawn around 7pm on misty July Saturday evening, when I first discovered that Mr. Parker was really a fag. How else could you describe a man wearing a long blonde wig on his head while below he wore only a large somehow stuffed pink lacey woman's bra ... Read full Story
CDDIXIE4U 2019-01-08 13,888 Teen (18+) Crossdresser Amateur Cumshot Masturbation Blowjob Big Cock Ladyboy Lingerie domination Guy Fucks Shemale Homemade Compilation Vintage cum in mouth
100%
Horny Writing A Strange Habit
I enjoy watching videos which I can Vicariously live. This is nothing more than my horny hobby, an amalgamation of various thoughts. My form of hands free edging. Spell checked only, "No I haven't proof read a first draft, not trying to publish masterful works here." Hope to hear from those w... Read full Story
Araina 2021-03-08 2,740 Crossdresser Amateur Big Tits Cumshot Bareback Fetish Blowjob Big Cock Guy Fucks Shemale Frottage Homemade Ass to Mouth cum in mouth
100%
Tina's Secret
My name is Jordan Conrad. Those of you who read my "Rebecca's Secret" series probably remember me. If you've never read them, I guess I should give you a quick summary, so you're not in the dark about what's been going on in the past few months of my life. Bear with me during the slo... Read full Story
shemale lover 2011-11-02 7,439 asshole shemale oral
100%
Sexretary
Sam Nichols had a comfortable, reasonably well paid job in a computing firm called Stewart Computing. He was twenty two and had recently graduated college and had been lucky to find such a good job in the firm on the edge of San Diego, just a couple of hours drive away from where his parents still l... Read full Story
shemale lover 2011-11-12 8,202 anal shemale oral
100%
Florida TG Experience
I had known Jan from High School, we always had an attraction for each other but were dating someone else or married at the time. Jan had actually married a friend of mine and I was envious of course. She at that time had sandy blonde hair, and a body to die for. One evening we had them over for dr... Read full Story
Jon Paul 2018-08-13 10,969 Group Sex Big Tits Bareback Creampie Blowjob blonde Asian Ladyboy Shemale and Girl Guy Fucks Shemale Ass to Mouth cum in mouth double anal
75%
Aunt trip
In 2013, after almost three years of service in Afghanistan, George Madsen, a gay Royal Navy communications petty officer, retired. His experience in the distant deserts had left an indelible mark, the memories of friends lost and challenges faced still burned vividly in his mind. Coming home was n... Read full Story
Rebba 2024-04-25 3,238 Shemale Fucks Guy Blowjob Big Cock Ladyboy Guy Fucks Shemale shemale fucks shemale Fantasy Tale
78%
Once wasn't enough!- my 2nd shemale exp
So after my first experience I got really into the porn I bought movies magezines got on websites just couldn't get enough. But watching it wasn't enough I had the real thing once and wanted it again. It had been almost a year now and only one person knew about what I had done that one fat... Read full Story
Duke04 2017-04-01 10,440 anal sex Shemale Fucks Guy ass fucking Shemale on Guy
100%
Slutty Sissy's 2 Loves
Tonight was young and I was already hot and bothered, my ass-pussy was on fire, and I could hardly wait for Bob and John to come over. I had invited them over to fulfill those erotic dreams I am constantly having about the two of them using me like a tool, and I wanted that so bad. I fantasized abou... Read full Story
Regina10 2020-11-23 4,989 Group Sex Big Tits Cumshot Bareback Blowjob Big Cock Ladyboy Lingerie Guy Fucks Shemale pov Ass to Mouth cum in mouth double anal
100%
My Sugar Daddy Spanked Me & My Girlfriend (I screwed up again)
In my last fantasy article I explained how my Sugar Daddy allows me to date girls since I am bisexual and attracted to them too, but they, and in fact anyone, are not allowed to touch me intimately without explicit permission from my Daddy. Anytime a girl wants to touch me: kiss, hold hands, put her... Read full Story
Chrissy Tunnell 2022-04-12 2,245 Crossdresser Amateur Big Tits Shemale Fucks Guy Fetish threesome Blowjob Big Cock Ladyboy Shemale and Girl Guy Fucks Shemale cum in mouth
88%
Surprise Ending (Part Two)
My curiosity, unconscious urges, and my horniness pushed me into action. I gently cradled Karla's balls in my left hand while my right hand settled on her taut ass. I caressed both and then let my left hand move on to her now blood engorged shecock. I am a pretty big dude, but I could hardly get ... Read full Story
Chantel13 2022-08-23 4,430 Crossdresser Amateur Group Sex Outdoor Big Cock Shemale and Girl redhead cum in mouth
100%
Surprise Ending (Part Three)
I rolled my dick around her hole to spread the precum off it and lubricate it. The feeling was sensational and I couldn't spend much time easing my way in --I shoved right in the the hilt in one steady push. Karla practically jumped off the couch and screamed. I thought maybe I had hurt her (I am... Read full Story
Chantel13 2022-08-23 4,332 Crossdresser Amateur Group Sex Cumshot Outdoor Creampie Shemale Fucks Guy Big Cock Shemale and Girl redhead Guy Fucks Shemale Ass to Mouth
50%
Freak House Superstar Come Fest
Kiki and Ty Blaze were doing their thing. They were living on their love and passion, literally. The couple had taken their love, passion and desire to please one another and turned it into their livelihood. They had become stars in the world of underground porn. Their production studio, Nasty Nigga... Read full Story
shemale lover 2012-02-01 6,337 anal shemales Group Sex
100%
The Experience of a Lifetime
My divorce was hitting me really hard. My wife outgrew our relationship and started living her own life and I had a front row seat to everything. My heart and life was upside down. I didn’t go out anymore. Friends and family both told me it was time to get my life back on track and start living ... Read full Story
therefill05 2020-11-30 20,101 Big Tits Cumshot Bareback Creampie Shemale Fucks Guy threesome Blowjob blonde Big Cock Ebony Uniform domination cum in mouth
42%
sexy jane story
I love the idea being a crossdresser wearing women outfit bars in panties n sexy outfit not just for the sex I love sex being on my knees sucking cocks in getting fuck by a big cock see win I was very young I had sex with 3 guys one day they ask me will I suck there cocks in I sand yes we want insid... Read full Story
45sexyjane 2019-05-27 4,218 Small Tits Crossdresser Amateur Big Tits Masturbation Blowjob blonde Big Cock gangbang Lingerie Sex Toys shemale + shemale sexy crossdresser
100%
From a 50's virgin to a Mature good for all
***Prologue - Confessions: Every day since I offered my virginity, I put myself in the shoes of a woman. The little town where I live forbids me to show myself socially. However I made myself an accomplice, my epilator who receives me after closing. Since my new beginning, male masturbations are not... Read full Story
hippocampus_171 2023-01-11 4,357 Stockings Crossdresser Amateur Group Sex threesome Big Cock domination Mature foursome Homemade cum in mouth shemale + shemale milfs
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 3,523 Crossdresser Big Tits Bareback Blowjob Big Cock Ebony Guy Fucks Shemale big ass femboy cum in mouth
100%
Sweet Encore
I was alone tonight and feeling just a bit paranoid as I listened to the soft music. The soothing sounds put me in a seductive mood, but It seemed that all my lovers were too busy for me, or they had other plans. Uncle Barney and my detective were probably home being dutiful husbands. Bo was under h... Read full Story
Regina10 2024-05-09 3,031 Crossdresser Big Tits Bareback Creampie Blowjob blonde Big Cock Guy Fucks Shemale big ass Ass to Mouth
100%
Alpha Gamma's Secret Part 2
-4- Molly awoke to the annoying sound of her alarm beeping. Groggily, she reached over to her night table and turned it off. It was 7:00 AM, way too early for a 19-year-old college girl to be awake, in her opinion. As she stirred, her girlfriend wiggled up against her, eager for body heat. ... Read full Story
shemale lover 2011-11-02 3,428 anal sex Masturbation shemale
50%
Sadopsychorama
He liked Clyrissa. She was a cock-hungry female if there ever was one. At 5'5", she had platinum blonde dyed hair, big tits, and a tight waist. She was a hot lay. But the best thing about her - the thing that stiffened his cock whenever he saw her was the fact that she was 53 years old. Somethi... Read full Story
shemale lover 2011-12-24 3,785 Fetish shemale anus
100%
College project surprise
So this story happened while I was still in college and remains without doubt, the craziest, most exciting experience of my life. So I the story begins one day when I walking to class. I went to a big university so my walk was quite long, and the first 1/3 was just through off our campus housin... Read full Story
Jsmithsub 2020-09-16 21,038 Group Sex Bareback Shemale Fucks Guy Fetish threesome Big Cock Ebony domination Ass to Mouth cum in mouth
50%
FILLE DE RÊVE ⚧️ ⚧️
« Alors, à quoi ressemblerait ta petite amie parfaite ? » « Toi », pensa Steph, regardant dans les yeux noisette avec des reflets dorés à l'intérieur. Il lui fallut quelques secondes pour se rendre compte qu'il devait répondre avec sa bouche. « Oh, euh… quelqu'un d'attention... Read full Story
Femboy 2021 2023-03-18 806 Stockings Crossdresser Fetish Guy Fucks Shemale Interracial cum in mouth
66%
A Girl's Best Friend
The party was in full swing when Ryanna and her friends arrived. Of course, they were an hour late, since Glenys had gotten lost on the way. The house was out in the back woods; the owners didn't exactly go out of their way to make it easy to find. Their fellow townspeople probably would have frowne... Read full Story
shemale lover 2012-03-06 5,485 Crossdresser Shemale and Girl oral sex condom sex
100%
Male or Shemale, Still a Slut
Part 1 My name is Brandon. I'm 18 (still in high school), 5'5", white with black hair, and rather feminine. I'm really slim with barely any body hair. All this has combined so that I'm not so popular with the ladies, which sucks cause I am one horny son of a bitch. Luckily, I'm rather fond ... Read full Story
shemale lover 2012-12-20 9,313 Cumshot sucking blonde ass fucking Guy Fucks Shemale
75%
Honeymoon Suite 2
Jason is on the phone with room service, while I am about to change out of my wedding gown. I had just got married, and I was now the blushing bride. Yes I got married. I was nervous now and my pussy was burning, because of the crazy bet we had made about not having sex a week before the wedding. We... Read full Story
Regina10 2021-02-22 3,656 Stockings Crossdresser Big Tits Cumshot Bareback Creampie Blowjob blonde Lingerie Guy Fucks Shemale Ass to Mouth cum in mouth