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2.
Nicer term used in some more suburban areas for a swingers group
For some supper clubs, no food may be involved- if that's not your thing- you might want to decline the invitation.
swinger
dinner club
by EsaChica October 24, 2009
 
1.
The overrding purpose of Supper Club is the consumption of meat and alcohol by like-minded individuals in a suitably comfortable environment.

The Supper Club takes a very dim view of chronic tardiness, delay, retardation (or otherwise backward behaviour) and above all, a Supper Club member not keeping his word.
The South West Supper Club is the finest Supper Club that ever lived. Fact. It is fucking awesome!!!!

Holy shit - this is the best fucking steak I have ever had the pleasure of putting between my lips. Without the Supper Club I would never have had such an experience.

I have erected something more lasting than bronze. It's called the Supper Club.
by CPaw November 20, 2013