do a job on

Idioms  

1. Also, do a number on. Damage, harm, as in The cat really did a job on the upholstery, or The teacher did a number on the class with that assignment. This slangy idiom uses job (or number) in the sense of “something negative.”

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Example Sentences

See Examples For:

do a job on

When they do a job on Rangers and win another league title to sit alongside all the other league titles, there is a feeling that nothing else matters.

From BBC ● Aug. 27, 2025

“When you do a job on behalf of the government — as an employee or a contractor — there is no license to discriminate or turn people away because they do not meet religious criteria.”

From New York Times ● Oct. 5, 2020

If fit peripheral figures such as Fred, Antonio Valencia, Andreas Pereira, Matteo Darmian and Scott McTominay can’t be trusted to do a job on Saturday, then they probably have no future at Manchester United.

From The Guardian ● Feb. 7, 2019

You have it when you drive to work or do a job on deadline.

From Washington Post ● May 17, 2018

Even locked inside cages, monkeys could really do a job on a room.

From "The Hot Zone" by Richard Preston

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