From Longman Dictionary of Contemporary Englishkazooka‧zoo /kəˈzuː/ noun (plural kazoos) [countable] APMa simple musical instrument that you play by holding it to your lips and making sounds into it
Examples from the Corpus
kazoo• The comb and tissue can be used to make a kazoo. 2.• The theme from Hawail Five-0 on a kazoo!• He enjoyed playing a kazoo in the pulpit.Origin kazoo (1900-2000) From the sound it makes 