Top Definition
acronym for
"Go Die In A F-king Fire"

or whatever the case may be when one expresses one's suggestions to someone, or feelings what have you.....
I think you should go GDIAFF, you're that stupid.

- And much of a "failure" at life, to where you deserve to, well G.D.I.A.F.F...
by SailentShadow September 13, 2009
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