A hilarious reference to the movie Mr. Woodcock. It is used by Bill Bob Thornton's character (woodcock). It is typically followed by the last name Farley, but you can also substitute with any other last name, ie. sheehan, mcguire, nagle, and most commonly ewing. It is most effective when used to put down someone when they have done or said something that is uncalled for or have committed an act of failure.
Derek has just attempted to field ground ball but once again it goes through his legs into the outfield. A spectator will proceed to say " setaten Ewing!".