Rickety Uncle is a refreshing cocktail that combines the flavors of rum, lime juice, simple syrup, and soda water. It is a classic cocktail that is perfect for summer parties or relaxing evenings. The cocktail is made by mixing rum, lime juice, and simple syrup in a glass filled with ice. It is then topped with soda water for a fizzy finish. The Rickety Uncle is garnished with a lime wedge for added freshness.