metal mouth 

Due to iron content in blood, performing cunnilingus on a menstrating woman can leave a metal like taste in the mouth. Note that this phenomenon sometimes manifests itself even if no sign of blood can be seen.

After a wild a crazy night with your sister, I woke up with metal mouth.

metal mouth by meatrunner April 21, 2011

What dat mouth do? 

Genuinely inquiring about what other activities other than talk shit and bitch that subjects mouth performs

Damn girl what dat mouth do?

What dat mouth do? by Nathan Lawhorn May 2, 2019

Chinese Mouth

The anus. As China is on the opposite side of the world, the anus is at the opposite end of the digestive system.

Jimmy started by licking Jenny's warm, wet pussy then moved south to her Chinese Mouth.

Chinese Mouth by Bonji October 16, 2008

Vagina mouth 

One whose mouth has the scent, flavour, or feel of a vagina. Though not necessarily unpleasant, this raises some interesting questions.

Oh hey Emily, how's your vagina mouth doing?

Vagina mouth by Carltonpants November 28, 2009

glitter mouth 

An act of fellatio in which the fellatee pours glitter onto their member, and the fellator is left with a mixture of ejaculate and glitter in and around their mouth.

Sorry, bro, I can't make it to the bar tonight. I've got to hit up the arts & craft store so I can be prepared to give my girl the glitter mouth.

glitter mouth by la cucharacha June 7, 2009

metal mouth 

all metal put into your mouth by the ortho, which displays public humiliation, annoyence to the mouth, over load on spit, voice change, and pain to the point where eating is a negative.

"metal mouth loser!"

metal mouth by hottie 11222 November 15, 2005

balls in your mouth 

A term that most commonly means "shut the fuck up or I'll shove my balls in your mouth", or "get the balls out of your mouth".

Doug: HEY EGG, BALLS IN YOUR MOUTH!
Egg: DOUG IM GUNA FUCKIN KILL YOU *throws tripod at doug*

balls in your mouth by Doug Lorenzen November 11, 2005