The word buzina is Portuguese for a car horn, and this short blast has become a familiar punctuation mark in Brazilian and Portuguese-language TikTok videos. Creators use the loud, instantly recognisable honk to interrupt a scene, mock a bad decision, or signal that something unexpected is about to happen. Because the sound needs no translation, it travels easily between edits, reaction videos, and comedy skits, where its abruptness does most of the comic work.