y'isn't Share definition Flag a southern shortened form of "you are not" or in better terms " you is not". You isnt....y'isn't. Jimmy: Im going to the store y'isn't coming.Gerreal: aw y'isn't by KevOnGod May 3, 2021 0 0 Get merch Get the y'isn't mug. Buy Now — $32.95 See more merch
