The verbal tic of dunderheads, morons and wannabe Californians (read:
Seattle denizens and their ilk.) It is not intended as an actual question but rather is the reactionary knee-
jerk of someone who does not
think before opening the mouth.
Me: I just got this latte for
uber cheap at the
Starbucks on the corner.
Idiot I'm talking to: Are you serious?
Me: No, I'm just pulling your motherfucking leg. Of COURSE I'm serious!