1 definition by Terry Silver & My Minions
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.
by Terry Silver & My Minions December 5, 2006