No specific film, show or viral video has been firmly attached to this short phrase, so it is best understood as a reusable reaction sound rather than a quote with a documented origin. Online, short spoken clips like this travel through soundboards, edits and memes because they are easy to recognise and quick to drop into a moment of surprise. Its appeal is practical: the repeated denial gives editors a ready-made response to coincidences, lucky escapes and absurd twists, and that flexibility has kept it in circulation even without a single famous source behind it.