do a number on
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do a number on (someone or something)
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To hurt or harm someone or something. Considering her pessimism toward marriage, her last break-up must have really done a number on her. Ugh, your puppy did a number on my new shoes—they're completely chewed up!
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To urinate or defecate on something. My cat used to always use her litter box, but she regularly does a number on the floor, unfortunately.