Nelson Muntz is the Springfield school bully in the long-running animated series The Simpsons, and his haw haw is his trademark way of pointing and laughing at someone else's misfortune. The laugh became shorthand for playground-style mockery, repeated across episodes whenever Nelson witnessed a failure or embarrassment. As clips circulated online, creators lifted the short sound for memes, reaction videos and soundboards, where it works without any context because the tone alone signals teasing. Its brevity and instant recognition keep it popular for quick jokes about everyday fails.