Povo chato circulates mainly as a WhatsApp audio reaction in Portuguese-speaking chats, where short voice clips are forwarded instead of typed replies. It belongs to the same sharing culture as other quick message jokes like olha a mensagem and abriu o áudio, which turn everyday phone habits into punchlines. Because the phrase is everyday slang understood instantly, it spread through group chats, status posts and reposted videos without needing a known source. Creators keep reusing it as a universal eye-roll for annoying conversations online.