to squeeze, tug, or otherwise stimulate the penis to a plump, but still flaccid 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.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.