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deep-six

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deep-six someone or something

Sl. to get rid of someone or something; to dispose of someone or something. (Refers originally to burying someone or something six feet deep, the standard depth of a grave.) Take this horrible food out and deep-six it. That guy is a pain. Deep-six him so the cops will never find him.

deep-six somebody/something

  (American informal)

to get rid of someone or something They want to deep-six the project because it's costing too much money.