Estouradão is Brazilian Portuguese slang for something pushed so loud it distorts, and this short alarm became popular in meme edits built around that blown out style. Creators share it as an exaggerated buzzer and wake up sound rather than a realistic alarm recording, using the clipping as the joke itself. It spread through short videos, group chats and soundboards where a one or two second blast is easy to reuse. It stays popular because the meaning is instant, even without context the listener hears panic, urgency and comedy at maximum volume all at once.