piotrish 

vagina, female gentalia, snatch, muff, beaver, pussy, twat, cunt, poontang, hair-pie, fur-burger, axe-wound.

Ouch, that hit her right in the piotrish.

piotrish by Skipton Petrocelli September 2, 2005

Piotrish 

A fuckin' stinky substance which builds up under your Bell end if you dont clean it regularly. (Guys who generally have a foreskin).

After being ill for a few days in bed, Adam found that he had a large collection of Piotrish (Smegma) waiting to be cleaned underneath his bellend.

Piotrish by Terry Silver & My Minions December 7, 2006