The name refers to a twelve-shot firework, the kind of rocket barrage used at Brazilian festivals, football celebrations and New Year parties, where a string of sharp reports ends in a single louder explosion. Short clips of that barrage have circulated on soundboards and messaging apps as a quick way to add festive noise to videos and jokes, without needing music or dialogue. Its appeal is simple and timeless: everyone recognises the sound of fireworks, so it instantly signals celebration, chaos or a dramatic finish.