The exact original source of this short clip is not widely documented, which is common for brief reaction lines that circulate as standalone audio. It has become useful online precisely because the phrase is general, not tied to one scene, so creators can reuse it for almost any strange or uncomfortable moment without needing context. Its short length, just over a second, also makes it easy to place at the end of a joke, in a comment reply, or over a reaction video. That flexibility is why it keeps appearing in memes and short-form edits.