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Idioms and Phrases with stop someone's clock

stop someone's clock

Kill someone, as in They threatened to stop his clock if he appeared on the witness stand. This expression transfers the ticking of a clock to the progress of one's life. [Slang; 1940s]

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The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.