Clean one's clock American informal verb phrase
To decisively beat someone up
Shut your mouth up or I'll clean your clock .
James' opponent was so strong that he cleaned James' clock.
The verb "clean" should be conjugated according to its tense.
The phrase dates from the mid-1900s. This term originated in the military. The use of "clock" is unclear but possibly alludes to hitting someone in the face (for “clockface”).
Used when there are too many people involved in a task, and this can lead to a failure or its likely outcome isn't good
I think five people should be enough in our project. You know, too many cooks spoil the broth.