What is the origin of the idiom "lay someone or something on the line" and when to use it?

The origin of the idiom "lay someone or something on the line" is not well-documented, but it likely comes from the imagery of someone placing something of value or importance on a line or the line of risk, symbolizing a commitment or sacrifice in a situation. The phrase is used figuratively to describe an act of risking or sacrificing something significant for a particular goal or principle.

What is the origin of the idiom "lay it on the line" and when to use it?

The origin of the idiom "lay it on the line" is not precisely documented, but it is believed to come from the world of sports or games where lines or boundaries define the rules. The phrase is used figuratively to mean providing information, expressing one's thoughts or feelings, or stating something honestly and directly.