y'all'd'ven't 

The contraction of "you all would have not". Most commonly said by Southerns and memers alike.

Y'all'd'ven't done that if ya knew I'd find y'all.

y'all'd'ven't by Metaman39 March 20, 2017

y'all'll'ven't'd

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

whom'st'd've'dist'd'n't'st'd've'll's'd've're'n't'y'all'll'ven't 

the most intellectual word imaginable.

you: who
me an intellectual:whom'st'd've'dist'd'n't'st'd've'll's'd've're'n't'y'all'll'ven't

whom'st'd've'dist'd'n't'st'd've'll's'd've're'n't'y'all'll'ven't by Aidag June 1, 2018

whom'st'd've'dist'd'n't'st'd've'll's'd've're'n't'y'all'll'ven't 

THE most powerful definition of who. More powerful than whom'st'd've'dist'd'n't'st'd've'll's'd've're'n't'y.

Me: whom'st'd've'dist'd'n't'st'd've'll's'd've're'n't'y'all'll'ven't took my sandwich
Friend: what...

whom'st'd've'dist'd'n't'st'd've'll's'd've're'n't'y'all'll'ven't by Anton.exe April 29, 2020