When you have been drinking a large amount of red wine and it stains the inside of your mouth. Can also mean when you have been drinking a lot of wine and you can not talk properly anymore.
I can tell you've been drinking, you have wine mouth
This is a more severe case of dry mouth. It feels like a pigeon has flown into your mouth and deposited a few feathers, giving you that extreme dry and coarse feeling.
Causes: Smoking too much weed
That blunt I just penged gave me pigeon mouth!
From The Jon Stewart Show, a description of particularly stupid people.
Not to be confused with "Potatoes with mouths."
Even better than "Potatoes with mouths" because potatoes can act as a conductor of electricity -- rocks just sit there.
Those people are so stupid, they are like rocks with mouths.
Someone who refrains from swearing or cussing
Joe is a Clean Mouth. Be like Joe
The act of sucking a male's genitalia, usually to achieve an orgasm.
Yo trick hoe, why don't you give me some mouth relief?
A napkin
I'll grab the straws and some hot sauce. These tacos are gonna be messy, so can you grab a bunch of mouth paper?