informal Stop doing something.
More example sentences
- Danielle, knock it off. The overprotective mother role doesn't suit you.
- The couple who are renting the place next to mine spent the entire night fighting. They didn't knock it off until well past two in the morning.
- If you're doing this as an attempt to Henry make break off his engagement with his fianceé, knock it off, because it ain't gonna happen!
Definition of knock it off in:
- The US English dictionary