1 definition by Chris Nix

Top Definition
Deff- originating in georgia, meaning Designated Extremely Fat Friend. Used primarily when u and your buddies see a hot chick with a fat friend.
guy one "damn you see that girl"
guy two" which one"
guy one "the one thats behind the Deff"
guy two"ok got ya yah shes straight"
by Chris Nix August 26, 2008
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