The exact origin of this clip is unclear, which is common for short voice memes that circulate through soundboards and editing apps without credits. The phrase itself comes from everyday speech, the classic question asked after someone finds a spill, a trashed room or a prank gone wrong. Online, creators adopted it as a reusable reaction for fail compilations, parenting humor and pet chaos videos. Its appeal is simple: the line sets up blame instantly, letting the footage deliver the punchline. It remains popular because the situation it describes never gets old.