queef-biscuit Share definition Flag (n): A mysterious semi-solid object that is expulsed during a queef. Tony almost lost his lunch when Angelina shot him a queef biscuit on his tongue while he was "down south". queef-biscuit by Santo Christo de Sanchez September 15, 2005 0 0 Get merch Get the queef-biscuit mug. Buy Now — $32.95 See more merch