bad-mouth 

bad-mouth: say unkind, unflattering, embarrassing (and probably untrue) things about someone.

Iyad: "I don't believe what Ihab said. Why is he bad-mouthing

me?"
Reham: "He's probably jealous of your success."

bad-mouth by Iyad Mahdood January 26, 2013

clown mouth 

giving oral to a girl on her period

She forgot to mention she was on her period....now i have clown mouth

clown mouth by oldriverschool August 3, 2007

Shitty Mouth Fairy 

The tooth fairy's evil sister. She visits people sleeping in the middle of the night and gives them horrible morning breath.

Ergh, I've had a visit from the Shitty Mouth Fairy.

Shitty Mouth Fairy by Choda Boy 57 August 12, 2006

Skittle Mouth

When you eat too many skittles at one time and you experience such symptoms as

1.) tense jaw
2.) colorful spit
3.) scratched up tounge and
4.) that feeling you on the roof of your mouth that you get when you eat Cap'n Crunch.

Skittle Eater: "Awwh man! I just ate that 14.0 OZ bag of skittles and now I've got Skittle Mouth BAD!"

Skittle Mouth by hey cuagula! December 25, 2009

Hush Mouth Syndrome 

when someone get's quiet for a period of time because they don't quite know how to or want to respond to a comment or set of comments in a text or IM conversation. Hush Mouth Syndrome is this followed by a sudden change in topic

Guy: let's go to the movies this weekend
Girl: OK
Guy: what do you want to see
Girl: how about the new Twilight movie
10 Minutes of Hush Mouth Syndrome later
Guy: so how about those sorry azz cowboys

Hush Mouth Syndrome by Blu PainΣ December 3, 2010

Pillow Mouth 

a term to describe an anatomic quality of a woman in which during the act of fellatio, there is disambiguation of where the tip of the penis ends and where her mouth begins, likened unto putting your cock into an incredibly soft pillow.

Dude, she's got a pillow mouth; I had to marry her.

Pillow Mouth by Dr. C.C. April 9, 2012

put your foot in your mouth 

Saying something that makes a person feel pain or embarrassment.

I had to second-guess you for a while for putting your foot in your mouth.

put your foot in your mouth by Mr. Terrence L. Trezvant April 27, 2005