Top Definition
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!!
#butt sex #rear entry #the backdoor #ass sex #butt plugging
by rocfourtwenty July 06, 2009
5 Words related to the "rock" bottom
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