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GFDAW = Go Fall Down A Well.
Telling somebody to piss off, or to go away and leave them alone. Used when angry. :3
Girl 1: I love my new bf!! <3
Girl 2: OMG! New bf?! Who is he!?
Girl 1: Your ex ;)
Girl 2: GFDAW!
by Selina Starfire April 30, 2011