A club that people join so they can pratice sadism and masochism on each other and have sex while doing it.
Are you in that S&M club?
by Deep blue 2012 November 12, 2009
A club that college students can join where they get together regulary to have S&M sex with other members of the club.
John is in a college S&M club.
by Deep blue 2012 August 28, 2010