do a number on

do a number on (someone or something)

1. 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!
2. 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.
See also: number, on
Farlex Dictionary of Idioms.

do a number on someone or something

Sl. to damage or harm someone or something. The teacher did a number on the whole class by giving them a pop quiz. Tom did a number on Mary when he went out with Ann.
See also: number, on
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

do a number on

treat someone badly, typically by deceiving, humiliating, or criticizing them in a calculated and thorough way. North American informal
See also: number, on
Farlex Partner Idioms Dictionary

do a ˈnumber on somebody/something

(informal, especially American English) hurt, damage or criticize somebody/something seriously: Sun and pollution can really do a number on your skin. To the delight of Republicans, the press did a number on your senator (= criticized him severely).
See also: number, on, somebody, something
Farlex Partner Idioms Dictionary

do a number on

Slang
To defeat, abuse, or humiliate in a calculated and thorough way.
See also: number, on
American Heritage® Dictionary of the English Language, Fifth Edition.

do a number on, to

To ruin, cheat, or trick someone. This slangy phrase dates from the late 1960s and originated in black English. For example, “That boss of yours really did a number on you; you’ll never get promoted.”
See also: number
The Dictionary of Clichés by Christine Ammer
See also:
  • back at it
  • back at it (again)
  • chip off
  • a lot, not much, etc. in the way of something
  • can't stand
  • can't stand (someone or something)
  • blow up (one's) phone
  • be on (one's) back
  • be on somebody's back
  • be on someone's back