Boo

"Boo" in Spanish

bu

(loud exclamation intended to scare someone)

uuh

(word used ironically in a situation where one might have scared someone, but said someone was not scared)

abucheo

(derisive shout)

befa

(derisive shout)

abuchear

(to shout boos derisively (intransitive))

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.