REV UP

{v. phr.}, {informal}, {slang} 1. To press down sharply several times on the accelerator of an idling car in order to get maximum acceleration. * /The race driver revved up his car by pumping his accelerator./ 2. To get oneself ready in order to accomplish a demanding or difficult task. * /The boys were getting all revved up for the football game./ See: PSYCHED UP.