wonch Share definition Flag A word used to describe someone that is bitch like but not quite a bitch. It is a euphemistic and more playful way to call someone a bitch. Yo bro why are you being such a wonch? wonch by getmoneymothafucka February 9, 2010 0 0 Get merch Get the wonch mug. Buy Now — $32.95 See more merch