Biffant Share definition Flag A Biffant is a pastry invented by OffalyGoodEats that resembles a biscuit/muffin and is made from croissant-like dough which can be either sweet or savory. OMG, this sweet, flakey, buttery biffant tastes so good! Biffant by Culper October 9, 2018 0 0 Get merch Get the Biffant mug. Buy Now — $32.95 See more merch