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.
by Stonedasfuck159 December 5, 2009
Get the Cockopotamus mug.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 mix breed between a penis and a hippopotamus resulting in the shape, size, and color of a human penis, with the size of an entire hippopotamus.
by BigBlackPenisGuy October 5, 2011
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