Hell's Biscuit Share definition Flag An abnormally large piece of shit that creates a searing burning effect on your asshole on the way out. Grab me some water cuz im bout to shoot out a giant Hell's biscuit! Hell's Biscuit by ShiatMaster May 13, 2005 0 0 Get merch Get the Hell's Biscuit mug. Buy Now — $32.95 See more merch