clean someone's clock
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Beat, thrash, or defeat someone decisively, as in He's much bigger than you and could easily clean your clock. This term originated in the military. The use of clock is unclear but possibly alludes to hitting someone in the face (for “clockface”). [Slang; mid-1900s]
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Words nearby clean someone's clock
clean-shaven, clean sheet, cleansing tissue, cleanskin, clean slate, clean someone's clock, clean sweep, clean-tech, clean technology, Cleanthes, cleanup
The American Heritage® Idioms Dictionary
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