do a job on someone

do a job on (someone or something)

1. To have a harmful impact on someone or something. Considering her pessimism toward marriage, her last break-up must have really done a job on her. Ugh, your puppy did a job on my new shoes—they're completely chewed up!
2. Of a domesticated animal (typically a pet), to defecate on something. My cat used to always use her litter box, but she regularly does a job on the floor, unfortunately.
3. To severely rebuke someone. Man, the boss really did a job on me for messing up that client's account.
4. To physically assault someone. The mafia leader sent a couple of goons to do a job on the witness so that she wouldn't testify in court.
See also: job, on
Farlex Dictionary of Idioms.

do a job on someone

mainly AMERICAN, INFORMAL
If one person does a job on another, the first person badly hurts or harms the second or defeats them completely. Look at your face! They sure did a job on you! Yankees pitchers did a job on Boston's two most valuable players.
See also: job, on, someone
Collins COBUILD Idioms Dictionary, 3rd ed.

do a job on someone

do something which harms or defeats an opponent. informal
See also: job, on, someone
Farlex Partner Idioms Dictionary

do a job on someone

verb
See do a number on someone
See also: job, on, someone
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • do a job on
  • do a job on (someone or something)
  • do a job on someone/something
  • do a number on
  • do a number on (someone or something)
  • do a number on somebody/something
  • do a number on someone
  • do a number on something
  • leave (someone, something, or oneself) (wide) open to (something)
  • leave yourself wide open to something