Mark: Imagine my surprise when I check out the schedule and expect to see Jackson Avery's name on it, only to find that he's been replaced by Alex Karev. We've been preparing this nerve graft for weeks. I mean, it's just you and me. The plastics posse. Kicking surgical ass and takin' names.
Jackson: The plastics posse?
Mark: Ah, it's just somethin' I'm tryin' out.