y'all'll'ven't'd Share definition Flag A common word a southern person uses to express the phrase “you all will have not had” Man it really stinks that y'all'll'ven't'd such a great dinner, it’s a shame you missed it. y'all'll'ven't'd by tØm@$ November 27, 2019 0 0 Get merch Get the y'all'll'ven't'd mug. Buy Now — $32.95 See more merch