bazoo

1. (Canada, US, dated) A simple wind instrument, such as a kazoo or tin horn.Examples: "It goes against the grain to toot one’s own “bazoo”"; "Born Charles Westover in Coopersville, Michigan, on 30 December 1939, he learned to play the bazoo, ukulele and, eventually, the guitar."; "The bully girl with a crystal optic and tin horn was at the jollification. She “tooted her bazoo” in concert with Hon. Nelson’s horn, and wanted “White husbands or none.”"CanadaUSdated

2. (US, slang) A person's mouth.Examples: "If any galoot in the mob knows of anything that mout block the game ef tuk to a higher court, let him now toot his bazoo, or else keep his jaw to himself now and forever more."; "“Don’t swear so, John. What if you should be struck dead with such horrid oaths on your lips!” said his wife soothingly. “Swear so? Jimminy crickets, by all that’s great I’m not swearing; but I am going to express my opinion of this confounded, nine cornered bazoo of a blamed rickety infernal bit of stove pipe—” Exit the wife with her hands over her ears."; ""As for the screechin', one bazoo's as good as a dozen, if so be ye blow it fierce enough.""USslang