2. (noun) A mechanical device outfitted with several army boots on a rotating wheel used for automated physical punishment. The receiver is strapped into a stationary position to recieve repeated mechanical kicks to the buttocks until they have realized the error of their ways. Sometimes used for pleasure in sexual situations.
3. (adjective) Slang term used for an athlete or a sports team known for winning by a large margin in competition.
4. (adjective) Slang term used to describe a person of unusually great strength and physical prowess.
2. The ass kicking machine stalled on the 32nd stroke, so Wanda's loose caboose had less bruises than last week.
3. Walter sat eating a sandwich and wondered why he betted against the ass kicking machine that the German Women's Bowling league was.
4. Dude, I'm out. The bouncer is an ass kicking machine and he knows you fucked his girlfriend last year.