An anogram that debuted in the 90's in South-Africa and possibly other places of the world.... It stands for "No Ambition and Fuck-all Interest".....Certianly one of the best anograms around.
Person 1: Dude, wazzup with you? Why you not chillin' with a smile on your face?
Person 2: Sorry bro', I'm uber-NAFI today....Got work tomorrow man.
Person 1: Aw that's savage dude, here, have a joint
Person 2: Sweet