clean one's clock
to defeat someone soundly or thoroughly in a competition or argument, often with the implication that the opponent had no chance of winning
What is the origin of the idiom "clean one's clock" and when to use it?
The origin of the phrase "clean one's clock" is uncertain, but it is believed to have originated in the early 20th century in the United States. The phrase is used to describe a defeat or victory in a competition or conflict. The most widely accepted theory is that the phrase comes from the idea of winding a clock, which involves cleaning the gears and springs inside the clock to keep it running smoothly. In the same way, "cleaning someone's clock" means to defeat or subdue them, possibly by disabling their ability to function properly.