Heinous bitch Share definition Flag Wickedly rude; someone who is bitchy for no reason; uses personal things against people; uses people for personal gain Nay thinks she's cool, but she's just a heinous bitch. Heinous bitch by BG mommy June 5, 2009 0 0 Get merch Get the Heinous bitch mug. Buy Now — $32.95 See more merch