Definition of Hell Fire Club in US English:

Hell Fire Club

noun

historical
  • (The informal name of) a secret organization founded in London by Sir Francis Dashwood (1708–81), whose exclusively male, chiefly aristocratic members allegedly indulged in paganistic rituals, wild behaviour, and orgiastic activities; any of various clubs formed chiefly about the beginning of the 18th cent. of a similar nature.

Origin

Early 18th century; earliest use found in untitled.