1. with a loud explosive sound; in a manner suggesting a sudden, violent breakdown or explosion
Usage: informal; often used in the phrase 'go kablooey'

1. broken, ruined, or no longer functioning; in a state of collapse or failure
Usage: informal; predicative use

Examples

• The old engine went kablooey after years of neglect.
• When the pressure got too high, the pipe burst kablooey.
• My computer's hard drive is completely kablooey.
• The fireworks display went kablooey in the sky.
• His plans went kablooey when the funding fell through.
• The transmission on that car is kablooey.