pipes up

Verb

pipe up (third-person singular simple present pipes up, present participle piping up, simple past and past participle piped up)

1. (intransitive) To speak up, especially in a robust, assertive manner; to say something loudly and suddenly.
   • "You seem to have a lot to say," remarked Silver, spitting far into the air. "Pipe up and let me hear it, or lay to."1881–1882, Robert Louis Stevenson, Treasure Island, London; Paris: Cassell & Company, published 14 November 1883, →OCLC
2. (intransitive) To begin singing or playing musical notes on a pipe or similar wind instrument.
   • [T]he frogs in a neighboring marsh began to pipe up for the evening concert.1871, Louisa M[ay] Alcott, chapter 12, in Little Men: […], Boston, Mass.: Roberts Brothers, →OCLC
3. (intransitive, usually) To begin to blow more vigorously.
   • Once, for ten minutes, the sun shone at midday, and ten minutes afterward a new gale was piping up.1911, Jack London, “Make Westing”, in When God Laughs and Other Stories
4. (rare, transitive) To call, awaken, or summon, as with a musical instrument.
   • Yet beyond turning my blood cold for a moment, it gave me little trouble, for evil tales have hung about the church; and though I did not set much store by the old yarns of Blackbeard piping up his crew, yet I thought strange things might well go on among the graves at night. And so I never budged...[1898], J[ohn] Meade Falkner, Moonfleet, London; Toronto, Ont.: Jonathan Cape, published 1934, →OCLC