The term "Manx" primarily refers to anything related to the Isle of Man, a small island located in the Irish Sea between Great Britain and Ireland. The island is known for its unique culture, history, and natural beauty, as well as its famous motorcycle races, such as the Isle of Man TT. Additionally, "Manx" is also used to describe a breed of domestic cat that originated on the Isle of Man. These cats are known for their distinctive lack of a tail, which is a result of a genetic mutation. The Manx cat is friendly and playful, making it a popular pet choice.