[often in imperative] informal Stop talking; be less noisy: pipe down, will you, I’m on the phone
More example sentences
- ‘Gentlemen,’ he said, preening his moustache as we eventually piped down.
- This is an election year, and I think we're in desperate trouble and it's time for people to speak up and not pipe down.
- There comes a point when you need to pipe down to let someone else talk.