Bom dia rapaizinhos is a casual Brazilian Portuguese greeting that translates roughly as good morning, little guys, with rapaizinhos used as an affectionate, informal term for a group. The phrase has circulated online as a short audio greeting shared in memes, short videos and messaging groups, where its friendly tone makes it easy to reuse. Its lasting appeal comes from that simplicity: anyone who speaks Portuguese instantly recognises it, while others enjoy it as a cheerful, meme-ready morning hello.