(Meredith and Derek compete with each other to be the fundraiser who got the most money)
Derek: What was that?
Meredith: What was what?
Derek: That whole sparkly eye thing.
Meredith: Well, I can't help it if my eyes have a natural sparkle.
Derek: You were flirting.
Meredith: I don't know what you're talking about. Go juggle some balls.
Derek: You just brought a knife to a gun fight.