Binch Share definition Flag A non-binary individual who is obviously a female originally, who is a total bitch. Kira tried to call me out on crossing the lines on eating fish while talking to some vegans the other day, and they acted like a total Binch about it. Binch by Ralphie C May 4, 2021 0 0 Get merch Get the Binch mug. Buy Now — $32.95 See more merch