When you're watching matt smithas the
eleventh doctor of Doctor Who, and you fall off your couch and your panties fall off from seeing
matt smith in screen. Most often occurs because of
Moffat and the scene in "closing time" where the doctor is holding stormy and telling him not to cry.
Person 1: I was so sick last night while watching
Doctor Who.
Person 2: what was wrong?
Person 1: I was suffering from
Matt Smith syndrome.
Person 2: you were watching "
closing time" weren't you?
Person 1: yeah...