Tuna Poon 

A slut. One who has a vagina that smells like tuna, due to all the SLUTTYNESS.

Rachael is such a goddamn tuna poon.

Tuna Poon by Alex August 20, 2004

poon tuna

same as tuna poon, only the way you're ACTUALLY supposed to say it.

"Tuna poon sounds stupid, lets change it to poon tuna, thats way better"

poon tuna by Kyle January 19, 2005