The exact original source of this short clip is not widely documented, so it is best known through its circulation on meme soundboards and in short-form edits rather than through a single show or song. Its Japanese phrasing and punchy delivery have made it easy to repurpose as a reaction sound, especially in anime-style edits, gaming clips, and TikTok-style videos where a quick vocal outburst adds attitude. Because the line is short and instantly recognisable in context, creators keep returning to it for disbelief, insistence, and playful confrontation.