Bota o hino do corno circulates as a short Brazilian Portuguese meme sound, with its humour coming from the slang word corno and the exaggerated idea of giving it an anthem. Online, it is shared mainly as a reaction clip in videos, memes and messaging chats, where a single spoken phrase is enough to signal teasing without a longer explanation. Its appeal is its brevity and recognisability among Brazilian meme audiences, who reuse it whenever a betrayal joke, prank or playful roast needs an instant punchline. Because it travels as a standalone audio clip, it works across edits and replies.