Definition, Meaning & Synonyms

do a number on someone

idiomatic expression
/duː ə ˈnʌmbər ɒn ˈsʌmwʌn/
Definition
To harm or negatively affect someone, often through deceit or manipulation.
Examples
  • She really did a number on him when she spread those rumors.
  • Be careful; that con artist is known for doing a number on unsuspecting victims.
Meaning
This phrase typically refers to causing someone emotional or psychological distress or tricking them in a way that leads to a bad outcome.
Synonyms
  • trick
  • deceive
  • manipulate
  • harm