Disney Mary Poppins: The Broadway Musical Supercalifragilisticexpialidocious Mug | Disney StoreMary Poppins: The Broadway Musical Supercalifragilisticexpialidocious Mug - Relive all the fun of Mary Poppins: The Broadway Musical with our Supercalifragilisticexpialidocious Mug. Practically perfect in every way, this oversized Mary Poppins cup will hold a whole lot of latte and brighten your day.