Definitions by Terry Silver & My Minions
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