Slippin' Jimmy is the old nickname for Jimmy McGill, the lawyer at the centre of Better Call Saul, the Breaking Bad prequel about his rise from small-time con artist to Saul Goodman. The name recalls the scams and quick talk he used before he became a lawyer, and fans adopted it as shorthand for that earlier, slipperier version of the character. Online, the phrase is reused in edits and reaction videos whenever someone is caught cutting corners, losing control, or falling back into old habits, keeping the nickname alive beyond the show itself.