Definitions by a GFM

GFM 

genuine funny man.

"To be a GFM you need to have balls, wit, humour, and testicles." - JayZ

-Basically the epitome of witticism
-Hard as fuck

Both an adjective and a noun.

1) "Speedy Gonzales is such a GFM"
2) "I'm GFM, STFU"
3) "Charlebois' party last night had GFM shenanigans"

GFM by a GFM March 6, 2011