Gaelic handball, also known as Irish handball, is a popular sport played in Ireland and around the world. This traditional sport has a rich history and is enjoyed by people of all ages and skill levels. There are many synonyms for the word "Gaelic handball" such as Wallball, 40x20 Handball, One Wall Handball, and four-wall Handball, which are all variations of this exciting game. Each variant has its own set of rules and unique playing style. However, one thing that remains the same in all variants is the thrill and excitement of hitting the ball with your hand and winning the game.