Cartoon pops like this one come from the broad library of comic sound effects used in animation, where a short, springy noise signals surprise, appearance or a sudden change. As short-form video and meme editing grew, editors began lifting these tiny effects out of cartoons and reusing them on their own, because a half-second pop can sell a joke faster than dialogue or music. It now appears most often in memes, reaction clips and playful tutorials, where its brevity makes it easy to loop, layer and reuse without distracting from the main action.