The exact original recording behind this line is not widely documented, so it circulates mainly as a standalone reaction sound rather than as a clip tied to a famous scene. Its appeal comes from the line itself: a dramatic promise that is impossible to keep, which makes it easy to reuse whenever a creator wants to signal disbelief. Shared through meme edits, reaction videos and short-form posts, it has stayed useful because the joke needs no setup and works in almost any surprising context.