The exact source of this audience reaction clip is unclear, but sounds like this have been used for years in radio, television, and online editing to imitate a live crowd reacting in unison. Short “oooh” stingers became especially common in meme videos, commentary edits, and reaction compilations because they instantly signal surprise, secondhand embarrassment, or a verbal burn landing. It remains popular because viewers understand the joke immediately, even when the original scene has no audience at all.