The term Sadism derives from the name of 18th-century French writer Marquis de Sade, who wrote about violent sexual fantasies and spent time in prison for the mistreatment of prostitutes. Sadism is the tendency to obtain pleasure from inflicting physical or emotional pain on others. In the BDSM community, a dominant often takes the sadistic role by inflicting pain on their submissive. Many couples enjoy adding sadistic elements to their sex life, including spanking, flogging, bondage and more. It is highly important that partners discuss a safeword before experimenting with such acts.