stripper wad
When you end up with a bunch of singles (ones) in your wallet for various reasons like making change for every twenty in your wallet, even though you may have correct change. Also happens when you put a meal out with friends on your credit card and everyone gives you cash.
Bob: "Hey, that's some bank roll you got there, Sam!
Sam: "Nah, it's just my stripper wad...only about $30."
Sam: "Nah, it's just my stripper wad...only about $30."