(boys who attended yeeyee university) unreliable, tend to dip, statistically likely to leave/cheat/join military, drink 24 packs of beer all by themselves, can be associated tightly with the phrase "hold my beer" followed by performing a dangerous act (typically involving a tractor or four wheeler)
He is such a yee boi.
God, I love me some yee bois.
My town is full of yee bois.
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).