kazoo /kəˈzuː/noun 2verb 1forms 3 noun2 •A simple musical instrument (a membranophone) consisting of a pipe with a hole in it, producing a buzzing sound when the player hums into it. •(US, slang) Synonym of keister (“anus or buttocks”).In fact, you can't scratch yourself without getting a bellybutton up the old kazoo there. — 1969 verb1 •To play the kazoo. formskazooed · kazooing · kazoos
