The exact origin of this clip is not documented, and it circulates mainly as a user-uploaded soundboard reaction. Its appeal is simple: the phrase you did what is a universal callout for disbelief, so it fits gaming streams, reaction videos and meme edits without needing context. Short shocked voice lines like this stay popular because they can caption almost any mistake or reveal in under three seconds. Creators keep reusing it for betrayal jokes, fail compilations and staged confrontations.