Encourage socialization with Dr. McGillicuddyâs Peppermint Liqueur. The peppermint liqueur has an intense, cool mint flavor that is a refreshingly smooth blast of arctic chill. Whether you want to pregame before a night out, watch the big game with great company or simply want to kill your beer breath, this classic alcoholic beverage has your back. Each bottle of Dr. McGillicuddyâs Peppermint liqueur has zero sugar and zero calories per 1.5 ounce shot. At 21% alcohol, this peppermint liqueur...