Pirana

During oral sex the woman bites down on the man's penis like a pirana.

Dude, that chick pulled a f-ing pirana on me last night! I'm gonna be sore for weeks!

by Airen July 5, 2007

cock pirana

also known as a racker, girl who has a oral sex fetish. forceful painfull oral sex involving use of teeth and lots of it.

Wow she is great but damn she is such a cock pirana, eats it all off.

by Srdjan Bunjy March 31, 2008