Sounds like this come from the culture of personalised WhatsApp greetings and soundboard callouts, where a short recorded hello for one named person gets shared far beyond its original chat. The clip of a greeting for Noemi Machado follows that pattern, spreading because the specificity is the humour — it sounds tailor-made, even for listeners who use it for a different Noemi. It remains popular in edits, group chats and reaction posts where a direct, friendly hello works better than a generic greeting sound.