friends who drink milk tea together. A partner is a new word on the Internet, meaning a companion friend, and a milk tea partner is a friend who accompanies you to drink milk tea together. Milk tea has the dual nutrition of milk and tea, and is one of the home-cooked foods, which is popular all over the world. The varieties of milk tea include milk tea powder, iced milk tea, hot milk tea, sweet milk tea and salty milk tea.