What is Mouth Shit?
1.
When someone takes jokes from comedians, or jokes from popular television shows, and just say them aimlessly to try to get a cheap laugh.
Man that kid over there keeps quoting lame ass Dane Cook jokes, he keeps that up and all of Dane Cook's jokes will be mouth shit.
See
2.
to puke or vomit many times in a projectile manner
damn that girl just mouth shat everywhere!
subway smells delicious but when you leave it smells like you mouth shit all over yourself.
See
3.
When you're standing over a toilet, taking a piss, then you cough up phlegm and spit it into the toilet.
Damn, I was so sick, I took a mouth shit.
