That's funny - I never noticed that the phrasing there wasn't standard! Now that I think about it, I'd guess it's a variation on the more extreme "wants verb-ing" (as in, "that dress wants washing" ), which I'd pick up immediately as Appalachian.

I do say "Ya's" instead of y'all on occasion, and I know that's a midwest thing from Mom.

I'm from Richmond, VA - and my dad's family has lived there or slightly east of there since the 1650s. So I'd imagine that I either picked that up living in middle Tennessee in college or from reading a lot.