theoretical sexual position involving a girl taking two cocks in the ass, vagina, and mouth while also giving two handjobs
Melvin: Dude check out this coctopus shit!!
Andy: Hentai is fucked up...
by jofah October 23, 2007
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Eight weiners in or around one girl (or guy).
"Dude, check out this crazy porno. That girl's got two in the coo, four in the back door, and a man in each hand. She's a genuine coctopus."
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When at a social gathering, it refers to the ratio of men to women.
Brian: Did you see all of those fine ass hoes in there?
Mike: Yeah the coctopus ratio was like one to two.
by Rosegger January 15, 2008
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