jumped-up

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jumped-up

slang Glorified. The phrase is used to describe someone who acts or is thought to be more important or powerful than they really are. Primarily heard in UK. I can't believe she's trying to tell me what to do, when she's just a jumped-up intern! These days, it feels like the prime minister is nothing more than a jumped-up headmaster.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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References in periodicals archive ?
Hitting its stride in the second half of year, UPS announced last month that third quarter revenue jumped up 3.4 percent to $13.5 billion.