A good example of "y'all" in the vaguely-singular sense, of course. :D

For anyone else reading this who's unfamiliar with the proper usage of "y'all", short for "you all", "y'all" is, generally plural, and when you're talking to someone by themself and say "y'all" it's understood to refer to the person's family. But "More than one of y'all" is perfectly good usage, too.