Boo
"Boo" in Portuguese
bu
(loud exclamation intended to scare someone)
bu
(word used ironically in a situation where one might have scared someone, but said someone was not scared)
bu
(exclamation used by a member of an audience)
apupo
(derisive shout)
vaia
(derisive shout)
apupar
(to shout boos derisively (intransitive))
vaiar
(to shout boos derisively (intransitive))
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.