What is Coctopus?
1.
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...
See
2.
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."
See