The Buzina da Treta circulates mainly as a short Brazilian meme and messaging sound, shared in edited videos and WhatsApp-style clips where a horn is used to flag drama rather than traffic. Its name points to that joke: a buzina, or horn, for a treta, a slang word for a beef, row or messy situation. Because the clip is only a few seconds long, it is easy to reuse, remix and drop into reaction videos, friend-group jokes and everyday arguments between friends. Its appeal has lasted because the signal is instantly understood, even by viewers who hear no explanation.