No clear original source is documented for this clip, which circulates as a user-uploaded reaction sound. Its appeal comes from the universality of the phrase, a deadpan admission of confusion that fits almost any strange video. It spreads mainly through meme edits, fail compilations and short-form commentary, where creators need a quick verbal shrug. The low-effort delivery keeps it reusable, and its short length makes it easy to drop over endings without re-editing the whole joke.