fattymcfuck Share definition Flag .............. victor choongmin lee......................... fattmcfuck ate 11 double cheeseburgers 8 mcchickens 14 applepies and finished it up with 5 xlrg cups of coca cola! man! what a fatass! fattymcfuck by ERIC KIM November 28, 2004 0 0 Get merch Get the fattymcfuck mug. Buy Now — $32.95 See more merch