Alex Trebek is best known as the longtime host of Jeopardy!, and short clips of his reactions have circulated online for years as reaction audio. This “haha no” sound is used for quick refusals, especially in trivia jokes, debate edits and deadpan meme replies. Its appeal comes from Trebek’s measured delivery, which feels smarter and funnier than a shouted response. In meme culture it fills a similar role to nope, but with a more polished game show tone.