WhatsApp's short message alert is one of the most recognised phone sounds in the world, heard daily in chats, groups and work conversations. The estourado style, a Brazilian meme trend for pushing audio until it distorts and clips, turns that polite ding into something loud and deliberately overblown. Creators share these blown-out versions on soundboards and in short videos because the contrast is instantly funny, and the sound still works years later because almost everyone instantly knows what a WhatsApp notification means.