The Nigerian Chapman is a cocktail that originated from Nigeria and is often considered the country's unofficial national cocktail. It is believed to have been invented in the 1930s at the Ikoyi Club in Lagos, Nigeria. The Chapman is known for its refreshing taste and is a popular choice at social gatherings and celebrations in Nigeria. The original recipe and its variations are closely guarded secrets, passed down through generations, making it a unique and cherished drink within Nigerian culture.