No confirmed source or original speaker is known for this clip, which has circulated online purely as a reaction sound. Its popularity comes from how direct it is: two blunt words delivered with complete disbelief need no context to understand. Creators reuse it in gaming clips, sports rants, prank videos and meme edits whenever a claim sounds dishonest or a result feels rigged. The short, loud delivery cuts through other audio, making it easy to drop in as a standalone punchline without any setup or explanation needed.