Here is a hypothetical profile, in terms of the five-factor model of personality, for Sadistic Personality Disorder (speculatively constructed from McCrae, 1994, pg. 306):
High NeuroticismChronic negative affects, including anxiety, fearfulness, tension, irritability, anger, dejection, hopelessness, guilt, shame; difficulty in inhibiting impulses: for example, to eat, drink, or spend money; irrational beliefs: for example, unrealistic expectations, perfectionistic demands on self, unwarranted pessimism; unfounded somatic concerns; helplessness and dependence on others for emotional support and decision making.
High ExtraversionExcessive talking, leading to inappropriate self-disclosure and social friction; inability to spend time alone; attention seeking and overly dramatic expression of emotions; reckless excitement seeking; inappropriate attempts to dominate and control others.
High OpennessPreoccupation with fantasy and daydreaming; lack of practicality; eccentric thinking (e.g., belief in ghosts, reincarnation, UFOs); diffuse identity and changing goals: for example, joining religious cult; susceptibility to nightmares and states of altered consciousness; social rebelliousness and nonconformity that can interfere with social or vocational advancement.
Low AgreeablenessCynicism and paranoid thinking; inability to trust even friends or family; quarrelsomeness; too ready to pick fights; exploitive and manipulative; lying; rude and inconsiderate manner alienates friends, limits social support; lack of respect for social conventions can lead to troubles with the law; inflated and grandiose sense of self; arrogance.
High ConscientiousnessOverachievement: workaholic absorption in job or cause to the exclusion of family, social, and personal interests; compulsiveness, including excessive cleanliness, tidiness, and attention to detail; rigid self-discipline and an inability to set tasks aside and relax; lack of spontaneity; overscrupulousness in moral behavior.