The exact original source of this clip is unclear from the available details, but online it is widely recognized as a short German “beer” chant. Its appeal comes from being instantly understandable even to non-German speakers, since the repeated word and delivery sell the joke immediately. Short audio bits like this spread easily through meme edits, reaction posts and chat shares because they are simple, loud and easy to place over a cutaway. That is why it still shows up in drinking jokes and national stereotype humor.