Penisbagel Share definition Flag A penisbagel is the word used when one acts dumb or does something stupid or wrong constantly. Friend 1: "Sorry I screwed up againnnnnn!" Friend 2: "Stop being such a penisbagel man....." Penisbagel by CalamariJesus October 2, 2015 0 0 Get merch Get the Penisbagel mug. Buy Now — $32.95 See more merch