The exact origin of the 'nu bellu zuppooon' clip is undocumented; it seems to have surfaced on user soundboards rather than in any film, show, or viral video. Like many goofy ahh sounds, it spread because the phrase is catchy nonsense: short, rhythmic, and easy to quote in comments and captions. Creators use it as a low-effort punchline where a random vocal burst, in the spirit of bruh, does the comedic heavy lifting. It remains a niche discovery, kept alive by small meme pages and soundboard collectors.