The phrase is built from Mandarin interjections that express sighing, complaint and mild pain, which is why the clip spread as a reaction sound rather than a song or quote. Without a confirmed source scene, its popularity comes from how portable the groan is across languages, since tone alone carries the meaning. Creators reuse it on short form video, streams and meme edits to signal exasperation in seconds, and the repeated ai yo pattern makes it easy to recognise, search for and loop over different punchlines.