N.O.G.A.F Share definition Flag It means: No One Gives A Fuck When John arrived at the office, he knew that it was going to be a N.O.G.A.F day. N.O.G.A.F by K.C. Hudgins June 23, 2007 0 0 Get merch Get the N.O.G.A.F mug. Buy Now — $32.95 See more merch