A loudspeaker used for frequencies intermediate between those of a woofer and a tweeter(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "squawker" in a sentence
"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."
"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."
"Also, I can't help but note your status as squawker."