Short for *you for sure, mother f*cker?*
As in, are you telling the truth??
Used by chavs etc.
A short way of asking a simple question -
warning, using it probably won't make you look cool, but quite the opposite -
people may just give you a wierd look and walk away.
Guy 1 - So I totalllly got with this well hot girl last night!
Guy 2 - Woah! Yo fo sho mo fo?!
Guy 1 - What?!
Guy 2 - Are you fo sho - mo fo?! You're kidding?
Guy - Okay, so i'm going now...
Ruler of Lake Titicaca. Rumored to have a bunghole that gets very angry if it does not receive toilet paper. Cornholio the Great is often seen walking around with his shirt over his head and his hands in the air, chanting songs about his power, and his bunghole.
"I am Cornholio! You do not want to face the wrath of my bunghole, for I need TP!"
Butthead: Shut up, Beavis! (uh huh huh huh)
Beavis: Um, okay. (heh heh heh heh).