Extended laugh tracks like this spread through meme soundboards and short video edits, where a recognisable cackle can carry a joke without any dialogue or context. The wahaha shape imitates classic villain and cartoon laughter, exaggerated here by sheer length and volume. It sits alongside clips such as the baby laughing meme in collections used for reaction posts, gaming highlights and remixes. Its popularity comes from instant readability: even muted captions or a single frame signal mockery, so creators reuse it when a normal laugh would feel too polite or too short for the moment.