yall ( you or you guys) aint(are not)

Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)

A three way contraction combining the words you are not or you ain't.

A contraction of the two terms y'all (you all) and ain't (are not), resulting in one word that means "you all are not."

You + All = Y'all
Are + not = A'int

Y'all + A'int = Y'aint

Meaning: you aren't, you're not, you are not, etc.

Yain't is a mix of words (you all are not) whom when put together, forms yain't.

A contraction of y'all and ain't.