A particularly long-winded person who becomes an annoyance and a nuisance, due to their inability to read the room and shut the f*ck up
Sorry I’m late! The cashier at the grocery store was a total yak mouth, and didn’t notice the huge line forming at his register behind me
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A verbal disagreement. An arguement.
Tom and Jimmy got into a Mouth Battle over who had the nicest hair.
When you fill your mouth with water and spray someone's butthole
Amelia had some poo on her butthole so I gave her a mouth bidet
When you absolutely slam a glass of milk and you get that sightly uncomfortable aftertaste in your mouth for a good minute.
"Bro do you have any gum? I'm suffering from milk mouth right now."
Dmjr godly lips meant to suck dick. Only the best of girls have them.
She has the dicky mouth
The inability to control what words come out of your mouth. Wether they be harsh or not
Bro i just had mouth diarrhea i told erika that she was a slut
When your slang, way of speaking, and/or way of texting is contagious, and other people tend to copy or adopt it.
John: "I'm so tilted."
Sarah: "Since when did you start using the word 'tilted?'"
John: "I got it from Max. He has alpha mouth."