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1.
Shortened form of "definitely". Used mainly in informal communication
I'm going to watch Michael Clayton, deffa
by R. Thirucumaran February 10, 2008

Words related to deffa

colloquial deffas definitely informal slang
 
2.
Definitely. Used in an offhand way to appear casual and cool, when really everyone know's the person is a twit.
"Yeah, I'll be getting drunk tonight, deffas!!!"
by K cizzle May 14, 2005