b.y.o.b&b Share definition Flag A short way of saying Bring Your Own Bitch and Beer. Many people are familiar with b.y.o.b. this is just an addition to b.y.o.b. b.y.o.b&b so we have alcohol and it's not a cock fest. b.y.o.b&b by zack mccullum October 19, 2008 0 0 Get merch Get the b.y.o.b&b mug. Buy Now — $32.95 See more merch