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1.
The sexual act of slapping downwards on a female or males anus, with the back of your hand, hitting between the butt-cheeks, while rebounding with your fist clenched rubbing your knuckles on the colon.
Sam really digs it when I give her the Rocky Road. She loves it when I do sexual stuff to her ass and colon.
by Eth-an-ol June 04, 2010