Beard Biscuit Share definition Flag Hunks of shit that end up in your beard after performing cunnilingus. I ate her out last night and ended up with a boat load of 'Beard Biscuits' Beard Biscuit by redhatpro January 8, 2009 0 0 Get merch Get the Beard Biscuit mug. Buy Now — $32.95 See more merch