The exact creator of Pau Nu Cu Ovo is not widely documented, which is common for WhatsApp audios that spread through forwarding rather than a single public post. The clip circulates mainly in Brazilian group chats, where short, crude voice notes are reused as reactions and inside jokes. Its staying power comes from that format: it is short enough to drop into any conversation, instantly recognisable to people who have heard it before, and blunt enough to work without any setup or explanation.