Top definition
noun
1. a large vagina
2. a whiner

Derived from the rare African animal.
Keith won't get a tattoo, he is being a pooterpotamus.

Kristin has had sexual intercourse with many, many men. She has a pooterpotamus.
by jkdizzle February 09, 2008
Get the mug
Get a pooterpotamus mug for your grandma Zora.