The phrase comes from Bavarian and Austrian German, where Viecher is a colloquial, cheeky word for animals or creatures, and the whole line works as a blunt command to get them out. The clip itself circulates online as a short, shareable meme sound rather than as a line tied to one documented film or show, and that loose, everyday quality helps it travel. Creators reuse it whenever a scene needs an instant, exaggerated eviction, and because the German wording sounds forceful even to listeners who do not understand every word, it keeps working as a universal joke about unwanted guests.