The Collaborative International Dictionary
Kibosh \Ki"bosh\, n.
Nonsense; stuff; also, fashion; style. [Slang]
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Portland cement when thrown or blown into the recesses of carved stonework to intensify the shadows.
To put the kibosh on, to dispose of; to squelch; to terminate; put an end to; to do for. [Slang]
Usage examples of "to put the kibosh on".
She wondered if she should ask directly if she had just committed her school to a major money laundering scheme but decided it might be insulting or incriminating and the risk of either was enough to put the kibosh on the question.
My guess is Clayton and Boyd wanted to put the kibosh on that style of advancement.
Well, we're going to have to put the kibosh on that little scenario.
If it did, the delay alone might be enough to put the kibosh on the whole deal.