Michael Jackson became famous for expressive vocal ad-libs such as “ow” and similar sharp interjections across his songs, performances, and live appearances. Very short cuts of those vocals later spread online as reaction sounds in meme edits, fan videos, and short-form posts. The clip stays popular because it is instantly recognisable, emotionally clear, and easy to place on a single visual beat. People use it when a moment needs surprise, style, or a playful pop-star emphasis.