ka-boom

[kuh-boom]

interjection

(used to represent a sudden and loud sound, as of an explosion or a bass drum).

Origin of ka-boom

see origin at ka-, boom¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for kaboom

Contemporary Examples of kaboom

You zone out until what I'm trying to convey reaches critical mass, and then kaboom, and I'm the bad guy, and bye- bye messenger.
Dr. Scarpetta Heads to Psych Ward
Daily Beast Promotions
February 23, 2009