The Mutual Friend is a tasty cocktail made of Rum, Coffee Flavored Liqueur, Fresh Pineapple Juice, Fresh Lime Juice, and Simple Syrup. The rum and coffee liqueur give the drink a nice kick, while the fresh pineapple juice and lime juice add a touch of sweetness and acidity. The simple syrup ties everything together and makes the drink smooth and easy to drink. While the history of the Mutual Friend is unknown it is believed to be created during the 2010s. Grab some of your friends and try out this fun cocktail today!