Top Definition
The one and only way to demonstrate an explosion that is larger that the average kaboom. Where a kaboom usually only takes out everything in a 50m to 1km radius, a ka fucking boom will most likely decimate an entire city.
Sue: What happened when he pressed the big, shiny button in the pentagon?
Bob: Ka Fucking BOOM!
by bixxo July 18, 2006
5 Words related to ka fucking boom

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