Mr. NASTYPEICE Share definition Flag A derogatory term for a male with an offensively unclean or infected phallus. We dated for six months before I realized he was a Mr. NASTYPEICE. Mr. NASTYPEICE by Stinky cheese lover December 12, 2020 0 0 Get merch Get the Mr. NASTYPEICE mug. Buy Now — $32.95 See more merch