bo
[boʊ]
Definitions
1. noun
a loud, sharp, explosive sound, typically made by a sudden release of air or gas, such as a gunshot, a burst of steam, or the sound of a pipe being unclogged
“The mechanic heard a loud bo as the pipe burst under pressure.”
2. verb
to make a loud, sharp, explosive sound, typically by releasing air or gas suddenly
“The firework boed loudly in the night sky.”