North American informal Treat someone badly, typically by deceiving, humiliating, or criticizing them in a calculated way.
More example sentences
- Gwyneth Paltrow says motherhood is doing a number on her memory.
- Before it fades away entirely, though, Hitchens does a number on the Kennedy presidency.
- It will knock your socks off - and do a number on your libido!
Definition of do a number on in:
- The US English dictionary