Alternate meaning: A creature that eats the grey matter of dicks and/or douchebags and swims in the empty cavity left. If left unattended to more dickness and/or douchebaggedness may occur.
My ex had a giant cocktopus eating his brain so I left his ass.
Derivation: A contraction of cock and octopus.
popular places for penis depository include:
anus, ear(aka brain jab), nostrils, rolls(if shes a porker), between webbing of feet and hands, eye sockets, belly button.
guy1:when that girl passed out last night me and the boys bound her to a rottiserie a covered her in oregano and cocktapussed her left right & center.
guy2: OH shit! did you see become a quadriplegic?