Dupi circulated as a short-form video sound on TikTok, where a catchy nonsense word can spread simply because it is easy to loop and recognise. Creators reused the same clip across pet videos, dance edits and reaction posts, and the repetition helped it become a familiar cue for light, silly content. Its appeal does not depend on context or a known speaker, so new users can understand the mood immediately. That simplicity keeps it in circulation as a quick audio shorthand for cute and goofy moments online today.