kaineing Share definition Flag Kaineing a nigga or simply "kaineing" is the act of grabbing another male by the neck and throwing him up against a hard surface I.e a locker or wall. And telling said person off.As kaine did to tyler. yo I just kained that Fuckboi.im kaineing that nigga tomorrow. kaineing by $HVWND April 25, 2014 0 0 Get merch