Bigo is best known as a livestreaming platform, and this short clip circulates online as its recognisable notification sound, shared by users who want the familiar alert for their own edits. It has spread through soundboards, meme videos, and short-form clips, where creators use it to imitate an app notification or punctuate a reaction. Its appeal is simple: the sound is short, clear, and immediately tied to the idea of a message arriving. That makes it an easy shorthand for attention, surprise, or a joke landing in a video.