The 'bi bi miwing' clip comes from a user-generated soundboard upload, and no credited show, artist or original video is attached to it. Like many nonsense meme sounds, it seems to have spread simply because the phrase is fun to say and easy to drop into edits. Short vocal memes like this travel through reaction videos, shitposts and short-form clips, where a catchy nonsense hook can carry a joke on its own. Its staying power comes from that simplicity: a tiny, cheerful sound that fits almost any lighthearted moment.