Audio (AU) (file)
- (idiomatic) To increase the speed of an engine, especially that of a stationary motor car.
- (by extension, transitive) To make (someone or something) more active.
- 2008 January–February, “70 Ways to Improve Every Day of the Week”, in Men's Health, volume 23, number 1, ISSN 1054-4836, page 134:
- Blast out of the gate on Monday by listening to up-tempo music before your workout. Israeli scientists say this can raise your heart rate, rev you up for an intense exercise session, and temporarily boost muscle power by 10 percent.
- (by extension, intransitive) To become more active.
- 2005, Sean Dooley, The Big Twitch, Sydney: Allen and Unwin, page 225:
- I didn't much want to leave again, but, though I'm not sure I exactly understand why, I just knew I had to rev up again to play this thing out.