Top definition
Razor blades are inserted in the anus through a metal pole than the participant than does a poo, this is very arousing.. apparently.
Person 1: MAN I FEEL GOOD!
Person 2: Why?
Person 1: My mate paul gave me the poo grinder last night mmm hmm
by Candy Bove August 21, 2007
Get the mug
Get a Poo Grinder mug for your bunkmate Larisa.