Baka has been a familiar insult in anime fandom for years, borrowed from Japanese and often used affectionately between fans. This particular oi oi oi version spread as a short shareable sound on TikTok, Discord and soundboards, where users searched for it by its chant rather than by a specific episode or character. Its brevity and clear rhythm made it easy to drop into edits without context. It remains popular because the phrase is recognisable across languages and signals playful mockery instantly.