fku2 Share definition Flag response to fku - meaning, fuck you too. example 1: Steve: wtfbbq Michael: kthxbye Steve: fku2 example 2: Steve: fku Michael: fku2 fku2 by Anonymous Steve-o February 21, 2009 0 0 Get merch Get the fku2 mug. Buy Now — $32.95 See more merch
