something retards from pittsburgh like to say, specifically white-trash

ain't is the definition of things that "ain't cool" "ain't chill" "ain't fun" etc,

anything or anyone considered unpopular is often described simply as "ain't"

instead of longer sentences,

making people sound incredibly white trash and/or stupid

also often heard as "ain't shit"

I'ze not gonna do sometin

theirs is not ; none

hell nah mutha fuka

means not gonna do something

not some that someone think it is or thought