Piegrinder Share definition Flag A male whom fools around a lot in hideous female vaginas and unoccupied minds. In other terms, a wanna-be whore! John Bob: "Hey, I wanna fuck your mind!" Lisa: "Ewwww, fucking piegrinder!" Piegrinder by Anonymous-Being April 9, 2009 0 0 Get merch Get the Piegrinder mug. Buy Now — $32.95 See more merch