Định Nghĩa và Ý Nghĩa của "a pot to piss in"

What is the origin of the idiom "a pot to piss in" and when to use it?

The origin of the idiom "a pot to piss in" can be traced back to the 18th century. The phrase is used to describe someone who is extremely poor and lacking basic necessities, especially when referring to their living conditions or financial situation.