The act or practice of moralizing (making moral reflections or judging the morality of others).
A maxim or saying believed by the speaker to embody a moral truth; an instance of moralizing.
Sadism and masochism: the (often sexual) enjoyment by one person of both inflicting and receiving pain.
The practices of sadism and masochism collectively, usually in reference to consensual practices within the BDSM community.