Definitions by Bunifa Latifah Halifah Sharifa

D.I.A.F 

Dad I've already fucked, as opposed to D.I.L.F (Dad I'd like to fuck)

person x: OMG, have you seen Mr. Smith today? He is a total D.I.L.F.
person y: Yeah well, in my book he's a D.I.A.F.

D.I.A.F by Bunifa Latifah Halifah Sharifa March 29, 2009