boos
boos
verb
(Third-person singular present) Makes a loud sound to show disapproval or contempt.
"The crowd boos the unpopular politician."
noun
Loud sounds made by a crowd to express strong disapproval or contempt.
"The referee's decision was met with loud boos."
Thesaurus
Synonyms: Bronx cheer, razz, razzing, snort, hiss, hoot, raspberry, bird