To draw up a measure of a beverage through a straw shortly after someone you're with has done so from his own cup or glass.
If you plop two glasses of a particular drink down on da table in front of both you and a companion, and then start greedily sucking up your portion, don't arbitrarily expect your seat-partner to resiprocate --- either he may not be thirsty, or he may not care for whatever liquid-concoction you've served him.
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).