The song "Dolly" by Real Just Matthew is about finding that special someone who brings simplicity and joy into your life, like Dolly Parton for the summer. Just Matthew talks about being true to himself and not letting others dictate his actions or worth based on material possessions. He expresses his confidence and ambition to achieve his goals and dreams, and he values real connections over superficial friendships. The lyrics also touch on the idea of self-improvement and staying focused on personal growth and innovation. Overall, the song conveys a message of authenticity, self-expression, and living life to the fullest.