orgy

Meaning

Noun

• Originally, secret rites or ceremonies, typically involving riotous and dissolute behaviour, including dancing, drunkenness and indiscriminate sexual activity, undertaken in honour of various pagan gods or goddesses (such as Attis, Bacchus, Ceres, Dionysus, Osiris, etc).
• A gathering of people to engage in group sex.
• Excessive indulgence in a specified activity.

Origin

• Originally in plural from French orgies, from Latin orgia, from Ancient Greek ὄργια ("secret rites, mysteries").