ma vaffanculo Share definition Flag Means fuck you in Italian. Used by many Italians to curse one another out. "Stop being an asshole."-"Ayy oh ma vaffanculo I'll do what I want!!" ma vaffanculo by Mygooch May 5, 2014 0 0 Get merch Get the ma vaffanculo mug. Buy Now — $32.95 See more merch