kaboom

noun
ka·boom | \ kə-ˈbüm \
plural kabooms

Definition of kaboom 

informal

: the sound of an explosion or crash heard a loud kaboom often used interjectionally Have you ever watched metallic sodium hit water? Kaboom. Krakatau revisited … —Don AsherBut it seems to me that the minute you build an emergency fund—kaboom! Along comes an "emergency." —Jane Bryant Quinn

go kaboom
informal

1 : to explode or crash violently … when the house exploded the night before, cops believed that it had been a drug factory that went kaboom —Larry Celona and Ruth Brown

2 : to undergo a sudden, explosive change, failure, etc. … a few crucial injuries can make the whole equation go kaboom. —Paul Zimmerman

First Known Use of kaboom

1876, in the meaning defined above

History and Etymology for kaboom

ka-, unstressed syllable prefixed to onomatopoeic words + boom entry 2

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Dictionary Entries near kaboom

kabob

kabocha

kaboodle

kaboom

Kabui

kabukalli

Kabuki

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Time Traveler for kaboom

The first known use of kaboom was in 1876

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