Ka-Chow is Lightning McQueen's signature catchphrase from Pixar's Cars, released in 2006, where the rookie race car uses it as his flashy trademark slogan. Voiced by Owen Wilson, McQueen delivers the line with showman confidence that became closely tied to the character across the franchise. The phrase spread through toys, games and online clips, with Spanish-speaking fans recognising Rayo McQueen and spelling the sound phonetically as cuchau. It remains popular because it instantly evokes racing, confidence and childhood nostalgia in just a few seconds.