to squeeze, tug, or otherwise stimulate the penis to a plump, but stillflaccid state, generally for appearances.
I was about to climb in the shower when Todd's hot little sister busted in. I was standing there naked, and I didn't even have time to chump up! I don't know which of us was more embarassed.
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).