The clip comes from Brazilian television and is associated with presenter Rodrigo Faro, whose exaggerated shout of cavalo became a standalone meme detached from its original broadcast moment. In Portuguese, cavalo simply means horse, which is part of why the outburst travels so well online even for viewers who do not speak the language. The sound spread through Brazilian social media, messaging apps and short video edits, where it is reused as a reaction to surprise, confusion or a ridiculous statement, and its brevity keeps it in regular rotation.