boom

noun

any of various more-or-less horizontal spars or poles used to extend the foot of a sail or for handling cargo or in mooring
a pole carrying an overhead microphone projected over a film or tv set

microphone boom
a deep prolonged loud noise

roaring
a sudden happening that brings good fortune, as a sudden opportunity to make money
“The demand for testing has created a boom.”
gold rush
a state of economic prosperity

verb

to grow vigorously
“Our field is booming.”
flourishexpandthrive
to hit hard
“They were boomed by a car.”
blast
to make a deep hollow sound
“Their voice booms out the words of the song.”
boom out
to make a resonant sound, like thunder, fireworks, or artillery
“The thunder boomed in the background.”
din