Definitions by amxlia

GFYM 

Go Fuck Your Mum. Simple. Basically if someone is really pissed off and some dick comes and ruins their day, just a phrase to tell them to go do one.

James: "Amy you look like a mong in that selfie you just uploaded on instagram. Ha gayyyyy."
Amy:"GFYM James."
James:"....."

GFYM by amxlia July 2, 2014