GFA

means "Grenade Free America" used by the cast - mostly Mike and Pauly D - of Jersey Shore. used in season 2 of show when in miami and describing that they will not hook up with any grenades - ugly women - during there time there
Pauly D - "Me and Situation have a gameplan for there to be no grenades in Miami. 100% No Grenades!"

Mike - "It's a GFA, Grenade Free America."
by csharro5 July 09, 2010
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