Top Definition
while having sex, both partners are on all fours, belly up, and join sphincters so the male may shit in the female's anus or vagina, or the male may use a partially excreted fecal phalus in place of his penis.
I pulled out and turd fucked her with a reverse crab.
by vuducat December 15, 2007
5 Words related to reverse crab

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