The abbrev of "whatevz," which of course is the abbrev for "whatever," generally used when referring to a conversation item that can no longer be reflected upon.
Dude: "Did you hear George Lucas is making every Star Wars movie 3D? What more could he possibly do to ruin my childhood??"
Dudette: "w/ez you always talk about this I TOLD YOU I DON'T CARE"
Gmail Bro: "You tryin to hit up some Wendys?"
Gmail Bro #2: "w/ez"