The precise original recording behind this clip is not clearly documented, so it circulates online mainly as a standalone reaction sound rather than as a line from a well-known show or film. Its appeal comes from its bluntness: three familiar words capture disbelief without needing any context, which makes it easy to reuse across very different videos. Short-form creators, streamers and meme editors have kept it in rotation for moments of shock, confusion and sarcastic surprise, because the delivery is instantly readable even to viewers who have never heard the full original.