Get ready to fizz, stir, and sip on summer with the classic Tom Collins Cocktail! This bright and bubbly drink is a zesty blend of gin, lemon, sugar, and soda, sure to make any day feel like a vacation.The Tom Collins Cocktail is a refreshing drink that is perfect for a warm summer day. This classic cocktail is made from gin, lemon juice, sugar, and carbonated water, and is typically served over ice in a tall glass.