Yesterday I was exposed to the fact the "yous" is a plural form of the pronoun you. while historically I know that "you" is actually the second person plural pronoun while the singular form is "thou".
My question is how common or widespread the use of this form (yous) in the spoken English from one side, and in the formal English on the other side (in Britain and Canada or even in USA? I just don't want to be strange or weird if I use it.
I asked this question due to my exposure to this post on Facebook which I found in its thousands comments - many times of usage in the pronoun "yous" (I've attached just some examples from a lot in the same post which its commentators using "yous".