The phrase comes from the Joker in The Dark Knight, where it is used as a chilling catchphrase during his stories about scars. Online, creators began stretching and distorting the line into a slower, more mocking meme version that works as a taunt rather than a threat. It spread through short-form videos, reaction edits and soundboards, where the familiar wording makes the joke instantly recognisable even without context. That mix of menace and sarcasm keeps it useful for teasing dramatic moments.