A failure, meltdown; or explosion; a splat or splash.(noun)
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Use "kablooie" in a sentence
"And, honestly, this is the error you're most likely to receive following an kernel upgrade: something will go "kablooie" as the various new modules are initialized, your dev node won't be created and you'll end up without support for the virtual device that will allow you to create your tunnels."
"Things always go kablooie when the man leaves the house."
"Holy mazola--I go off into Cat Rescue Land for a few days, and the whole ding-dang world goes kablooie!"