Rap Bitch Share definition Flag A female who thinks she can rap, but can only spit out weak rhymes. As coined by Nicki Minaj. It's like I just single handidly annihilated, you know, every rap bitch in the building. Rap Bitch by TheMusicFeen1 February 28, 2010 0 0 Get merch Get the Rap Bitch mug. Buy Now — $32.95 See more merch