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when you fuck a girl in her ass, doggiestyle, put her head on the floor and procede to fuck this girl in her ass with your foot on her head.
i fucked this broad in her ass and i was stepping on her head, and now she's reached the "rock" bottom!!
by rocfourtwenty July 06, 2009

Words related to the "rock" bottom

ass sex butt plugging butt sex rear entry the backdoor