Definitions by Mong_Face

GPOY 

God Pees On You.

It's another way of saying "Bad luck man!" or "You got Owned!" or "PWNED"
basicly, God hates you.

Person 1:"Ah shit man. That flying unicorn just nicked my spare pare of undies!"

Person 2:"PAHAHAHA!!! GPOY."

GPOY by Mong_Face February 25, 2011