This sound is associated with TeamFourStar, the fan parody group known for abridged anime comedy online. Short, quotable TFS lines spread widely through YouTube edits, anime meme pages and reaction compilations because they are easy to drop into exaggerated build-ups. “I am the hype” stuck around as a compact way to parody overpromotion or self-importance in a scene. It is still used when creators want a reveal to feel intentionally bigger, louder and more dramatic than it really is.