Top definition
#1 - I can't believe you just did that!
#2 - (sarcastic) Ooh, go fly a kite

alternatively, in online correspondence:

#1 - I can't believe you just did that!
#2 - oh, gfak.
by finalsway May 27, 2009
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2
GFaK--acronym for "Go Fuck a Kite." An absurdist variation upon the colloquial frustration "go fly a kite" for extra emphasis.
Homeless Gentleman: "May I please have some spare change to buy booze with?"
Gainfully Employed Gentleman: "No, kindly GFaK."
by Trent_Alkaline March 25, 2010
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