Language: en
Meaning: (idiomatic)To increase thespeedof anengine, especially that of a stationarymotor car.2017,David Walliams[pseudonym; David Edward Williams],Bad Dad, London:HarperCollins Children’s Books,→ISBN:The huge Rolls-Royce enginerevved up. Then the back wheels spun furiously, and clouds of smoke filled the air.; (by extension,transitive)To make (someone or something) moreactive.2008January–February, “70 Ways to Improve Every Day of the Week”, inMen's Health, volume23, number 1,→ISSN, page134: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 upfor an intense exercise session, and temporarily boost muscle power by 10 percent.; (by extension,intransitive)To become moreactive.2005,Sean Dooley,The Big Twitch, Sydney: Allen and Unwin, page225:I didn't much want to leave again, but, though I'm not sure I exactly understand why, I just knew I had torev upagain to play this thing out.
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