A personality disorder characterized by the exploitation or infliction of pain on others or oneself so as to gain personal satisfaction or pleasure.
Are You Weird? Personality Idioms ExploredRead more in this article about some frequently asked questions and fun facts related to our definitions.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.