buffet boner Share definition Flag An erection produced by sexual arousal due to thoughts about dining at an all-you-can-eat restaurant. "Whenever I think about going to that all-you-can-eat place, I get a buffet boner." buffet boner by yes juanito yes June 13, 2014 0 0 Get merch Get the buffet boner mug. Buy Now — $32.95 See more merch