<p><strong>Noun</strong></p><ul><li>interaction, especially sexual activity, in which one person enjoys inflicting physical or mental suffering on another person, who derives pleasure from experiencing pain.</li><li>gratification, especially sexual, gained through inflicting and receiving pain; sadism and masochism combined.</li><li>S&amp;M, S and M.</li></ul><p><strong>End of Response</strong></p>