Ford P.O.S. Share definition Flag Ford Piece of Shit. From the movie MIB. Jay: Unlimited technology from the whole universe, and we cruise 'round in a Ford P.O.S. Ford P.O.S. by Al¹ January 7, 2009 0 0 Get merch Get the Ford P.O.S. mug. Buy Now — $32.95 See more merch