look up any word, like ratchet:
A variation on the stranger. The action of having a partner sit on thier hand until it falls asleep, then proceeding to whack you off, as so neither of you are sure of where the pleasure is coming from.
Guy 1: My girlfriend gave me a Mysterious Stranger last night.

Guy 2: How was that?

Guy 1: Man, I didn't know if I was comin' or goin'.
by 6the6fly6 May 08, 2009