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
To be dishonest or deceptive and no one can believe
No one believes what she said. She couldn't lie straight in bed.