Flying Dog "Raging Bitch" - Frederick, MD. Bitches come in a variety of forms. But there's never been something as sassy as Flying Dog's Raging Bitch Belgian IPA. An American IPA augmented with Belgian yeast, our 20th Anniversary beer jumps out of teh glass and nips at your taste buds with it's delicate hop bitterness. At 8.3%, this bitch is dangerously drinkable. Available year round.