This sound is associated with Homer Simpson from the Spanish-language dub of The Simpsons, a TV series that has circulated widely in meme culture for years. Short Homer reaction lines spread through reposted clips, WhatsApp audios and meme edits because the voice is instantly recognizable even out of context. “Qué idiota” remains popular because it is brief, expressive and easy to drop onto everyday fails, bad opinions and awkward moments without needing a long setup.