Fight Club is a popular slang term for an underground, bare-knuckle boxing scene that emerged in the United States and Great Britain during the early 19th century. The concept behind fight clubs was to provide working class men with an opportunity to engage in physical combat outside of regulated arenas such as prizefighting rings or professional wrestling matches, which were often reserved for the wealthy elite.
In addition to its historical significance, "Fight Club" has also become a popular cultural phenomenon due to the 1996 novel by Chuck Palahniuk and subsequent film adaptation directed by David Fincher in 1999. The story follows an unnamed narrator who becomes involved with an underground fight club, eventually developing into a subversive and anarchistic movement that challenges societal norms and values.
Overall, the phrase "Fight Club" can refer to both historical and contemporary contexts, encompassing themes of masculinity, violence, rebellion, and counterculture.