The exact origin of this clip is unclear, and it appears to be a user-made meme upload rather than an official Ritter Sport recording. The joke leans on a simple, widely understood pairing: Ritter Sport is a well-known German chocolate brand, and 'muh' is the German rendering of a cow's moo, a nod to the milk in milk chocolate. Shared through meme soundboards, it survives as a quick absurdist button — short, recognisable and easy to drop — the kind of low-effort punchline that keeps circulating because the mismatch itself is the joke.