n. 1 (context sexuality English) The act of rubbing one’s genitalia against another’s person, usually that of a stranger. Must be non-consensual and is considered a psychiatric condition as well as a criminal offense in most places. (If consensual, it is known as frottage) 2 A paraphilia involving sexual arousal from rubbing one’s genitalia against another’s person, usually that of a stranger.
Frotteurism is a paraphilic interest in rubbing, usually one's pelvic area or erect penis, against a non-consenting person for sexual pleasure. It may involve touching any part of the body, including the genital area. A person who practices frotteuristic acts is known as a frotteur. Toucherism is sexual arousal based on grabbing or rubbing one's hands against an unexpecting (and non-consenting) person. It usually involves touching breasts, buttocks or genital areas, often while quickly walking across the victim's path. Some psychologists consider toucherism a manifestation of frotteurism, while others distinguish the two.