pipe up

British  

verb

1. to commence singing or playing a musical instrument

   the band piped up

2. to speak up, esp in a shrill voice

---

pipe up Idioms  

1. Speak up, as in Finally she piped up, “I think I've got the winning ticket,” or Pipe up if you want more pancakes. This term originally referred to a high, piping tone. [Mid-1800s]

---

Example Sentences

Do you pipe up with your preferred choice — Hawaiian — or stay quiet?

From Salon • Nov. 27, 2023

It sounds lulling, but a full house and lounge-y soundtrack require diners to pipe up and lean in at dinner.

From Washington Post • Mar. 25, 2022

During a markup, each member can pipe up by saying “strike the last word” and get five minutes to speak on any amendment, or any amendment to an amendment.

From Slate • Dec. 12, 2019

The #save hashtags come out; critics write supportive articles; celebrities pipe up.

From Los Angeles Times • Aug. 21, 2019

All this time together and he had chosen an hour before we were to die to pipe up.

From "Life of Pi" by Yann Martel