Coffee milk; photo by Dtrap on Wikipedia (use permitted with attribution / share alike).
Official State Drink of Rhode Island
First introduced to Rhode Islanders in the early 1920's, coffee milk became so popular it was designated the official state drink of Rhode Island in 1993. All State Foods & Drinks
Coffee milk is made with coffee syrup. In Rhode Island, coffee milk is found in the dairy case next to other flavored milk beverages such as chocolate and strawberry. A coffee “cabinet” is coffee milk with ice cream (a coffee flavored milk shake).