The shout given when, during a vigorous session of Love Making, the quilt is flung from the bed to the floor, one, or more of the partaking Love Makers are then compelled to shout "Man Over Board" and all sex is put on hold until the quilt is recovered and replaced over the combatants.
Karen-Man Over Board.
Chris-"I ain't moving until you get down there and get him back.
Karen-I'm on my way.
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).