pump fake noun 1pump-fake verb 1forms 4 noun1 •An act of pretending to throw or shoot the ball in order to make a defender react.Winning quarterbacks find creative ways to win, whether it is by scrambling, using a pump fake, calling an audible at the line of scrimmage, or blocking downfield for a running back. — 2007 pump-fake verb1 •To pretend to throw or shoot the ball in order to make a defender react.The way he pump-fakes it in the Oval Office is really distracting. — 2003 formspump-faked · pump-faking · pump-fakes · pump fakes