This sound is used online as a general suspense cue for edits labeled around a showmatch or high-stakes matchup. While the exact original source is not clear from the available details, clips like this spread because they fit gaming highlights, reaction memes, and sports-style intros. Editors keep using it because the pacing is simple and recognizable: it signals that a key moment is coming, then hands off cleanly to a reveal, fail, or win. It fills a similar suspense role to the classic dun dun dunnnnnnnn sting.