This may be one of the funniest pranks we've seen in a while.  A guy decides to prank his sleeping girlfriend by clamping a ‘ghost’ on the TV screen then makes weird noises to go along with it as she awakes. She reacts of course, by screaming which only puts the exclamation point on how funny the prank was.

You can watch the prank unfold in the video below. What was the funniest prank you ever pulled on someone?