A noun meaning sexual intercourse, literally 'cock to pussy'.
Derivation: A pun on the title of the James Bond film / book 'Octopussy' in which the lead character, Mr Bond (double agent 007), gets plenty of 'cock to pussy'.
Hey babe, we've had a great night out, nowhow about a little cocktopussy (wink, wink!).
An insect like creature like a centepede apart from having 100 legs the cocktopede has 100 cocks for legs. He is a famous singer on youtube check him out.
Oh my god check out the fucking cocktopede he has 100 cocks and they are huge I have only got one and its tiny what a luckyCUNT.