bufig Share definition Flag An immense, overly-sized penis. A bufig will consistently protrude during an erection that will last atleast 10 mins with bending. "I went home with Justin last night, we had sex and even after his pants were stuffed with a bufig! bufig by Urban Dic Fan November 26, 2020 0 0 Get merch Get the bufig mug. Buy Now — $32.95 See more merch