Also found in: Dictionary, Thesaurus, Medical, Financial, Encyclopedia.
clean (one's) clock
To thoroughly trounce, defeat, or beat up one. Watch it, pal, or I'll clean your clock for you! The visitors really cleaned the home team's clock tonight!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
clean (someone's) clockSlang
To beat or defeat decisively: "Immense linemen declared their intentions to clean the clocks of opposing players" (Russell Baker).
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.