A fork of Rural Dictionary
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"
Hey man, you see george whereing those sandals? Yeah man, he ain't. yeah i know, he ain't shit!