The exact source of this clip is not widely documented, but its appeal is easy to understand: the phrase is a common, everyday way of expressing shock, and the short length makes it easy to reuse across platforms. It circulates mainly as a reaction sound in memes, short-form videos and gaming edits, where creators use it to mark moments that feel too strange to explain. Because the reaction is universal and instantly recognisable, it continues to work even without a famous film, show or viral moment behind it.