to grind one's groin against someone's booty while dancing, usually while moving in time with each other. possibly while tapping dat ass and simulating sex.
"everybody in the house. i wanna see you work up the sweat. if the person next to you don't have a sweat, hit the door"
by William M. Rawls January 03, 2007
by William M. Rawls March 08, 2007