boonounmasculine/ɐˈpupu/rarea·pu·poPortuguesEnglishEspanolFrancaisDefinitionThe characteristic sound made when booing; a short, sharp whistle or cry of disapproval.A single boo was heard from the audience.The boo of the crowd echoed around the stadium.synjeerhisscatcallCommon collocationsa loud booa chorus of boosEtymologyDe origem onomatopeica.Related wordsapuparapupada