"[beat] the (pants|socks) off {sb}" 的定义和意义

What is the origin of the idiom "beat the pants off someone" and when to use it?

The idiom "beat the pants off someone" is an informal expression that signifies a decisive and overwhelming victory or success in a competition, task, or endeavor. The origins of this phrase are not precisely documented, but it likely stems from the idea that someone's defeat is so severe that even their clothing is figuratively knocked off them, leaving them exposed or embarrassed.