The origin of Supali Dadi Opo is not clearly documented, and the phrase does not come from a widely identified film, song, or show. It circulates mainly as a short user-uploaded soundboard clip, shared for its odd rhythm and catchy nonsense wording. Like many meme sounds, it spread through short videos, edits, and chat replies where a meaningless phrase can react to almost anything. Its appeal is its flexibility, as it can mark confusion, randomness, or a joke with no setup needed.