There is no single famous scene behind this clip, which is part of why it works so well as a general-purpose reaction sound. Short kiss noises have long been used in cartoons, comedy sketches and online videos to signal affection, teasing or sarcasm without any dialogue. On soundboards and in short-form edits, this stretched version stands out because the elongated ending makes the gesture feel intentional and silly. Creators keep reaching for it when a normal kiss would be too subtle for a joke.