squawker

IPA: skwˈɔkɝ

Something that squawks.
A person who complains or protests noisily.
(slang) An informant; a stool pigeon.
A loudspeaker used for frequencies intermediate between those of a woofer and a tweeter.
(slang) The radio used in police vehicles to keep in contact with headquarters.

Examples of "squawker" in Sentences

As to his voice -- well, he is a genuine squawker.
Also, I can't help but note your status as squawker.
'A – a squawker, 'says Addie, and the poor thing got a black mark for it.
A refoam is the replacement of the original foam ring on a woofer or a squawker.
Zach, who moonlights as the lead squawker for Jerusalem veteran punk act Weird Chicken, has his own ethical interest in not exploiting the love of music.
In a classic example of American culture, the caption of the YouTube video heaping ridicule on this deluded squawker (are you sure it's not you?) misspelled loser.
She's no LuPone, and her talent is only really shocking if you've already counted her out as a squawker on account of her granny hairdo and pre-fame Julia Roberts eyebrows.
BBC squawker Jonathan Pearce has apparently been passed over for the gig as Auntie's top football commentator, and it might be a good job if his blog on the Beeb website is anything to go by.
I had decided on the latter, remembering Uncle Steve's advice never to volunteer, and was letting down my bunk, when the squawker boomed: "T.P. Bartlett, special communicator, report to the Relativist!"