The Long Drink is a cocktail made from gin, grapefruit juice, and sparkling water. It is typically served in a highball glass over ice.

The Long Drink was invented in the early 1950s by Robert J. Hunley, a barman at the Brown Hotel in Louisville, Kentucky. Hunley was looking for a drink that would be refreshing and easy to drink on a hot day. The Long Drink was introduced to the public in 1951 at the Brown Hotel’s Derby Cocktail …