The exact origin of this clip is not documented, but the phrase itself is everyday German slang built from Hose, meaning trousers, and a vulgar past tense for defecating. Short German voice lines like this spread through soundboards and group chats because the meaning is clear even to listeners who only catch the tone. It survives as a niche reaction sound rather than a mainstream meme, pulled out specifically for moments of fear, shame or a plan going badly wrong in public.