well, I guess it would depend on the context. In this one, a wawa is a convenience store/gas station prevalent in the Midwest United States.
edit: northeast? I fucked that up.
Did you just call Pennsylvania the Midwest? Did I just this minute find out, right now, from you, dear internet stranger... that I've spent my entire life in the Midwest?? I'm sorry, I'm gonna need a minute... I'm gonna go get a hoagie