One who is so slutty that they are filled so full of cock that they become the size of a hippopotamus. Can apply to both male and female and is only to be used on the sluttiest of people.
Ashley is such a slut, she slept with the wholedamnschool, what a cockopotamus.
A cockopotamus was the result of a science experiment gone wrong in 1776. The experiment created a new species called the "cockopotamus" which is a mixbreed between a penis and a hippopotamus resulting in the shape, size, and color of a human penis, with the size of an entire hippopotamus.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"