Fantasies of group sex are extremely common among both men and women.
Technically this is a form of exhibitionism rather than "group sex" per se.
A rainbow party is a baseless urban legend spread from the early 2000s.
In places where non-monogamous sex is taboo or illegal, group sex may take place in private or clandestine locations including homes, hotel rooms, or private clubs.
Fantasies of group sex are extremely common among both men and women, and group sex is a subgenre in pornographic films.
Group sex is sexual behavior involving more than two participants.
Group sex can occur between people of all sexual orientations and genders.
An orgy is a gathering where guests freely engage in open and unrestrained sexual activity or group sex; and a bunga bunga orgy is an orgy in which participants have sex underwater, such as in a swimming pool or a hot tub.
A system of initialisms has evolved to describe the variety of group sex arrangements.
These codes can appear in erotic literature and film descriptions, member profiles in online communities, and personal ads.