Don't have a pot to piss in (or a window to throw it out of) rude slang
To be in a penniless state or have no money
I guess he cannot lend money to me because he doesn't have a pot to piss in.
When his career was over, he didn't have a pot to piss in or a window to throw it out of.
I can't go. I don't have a pot to piss in.
To encounter bad luck, or being picked doing something undesirable
When you experience extreme and undesirable situations, it is probably essential to take extreme actions
Used to allude that the last force, problem or burden which is seemingly minor and small causes a person, system or organisation to collapse or fail
Her husband's violent act last night was the straw that broke the donkey's back and she left him