threesome

In human sexuality, a threesome is any sexual activity that involves three people at the same time. Though threesome most commonly refers to casual sexual activity involving three participants, it may also apply to a long-term domestic relationship, such as polyamory or a ménage à trois.A threesome is a form of group sex, but involving only three people. It may occur more frequently in private situations, such as spontaneous sexual activity among three friends, or arranged in a community of like-minded swingers or planned as a once-only experience; and rarely in anonymous settings, such as at orgies or other sex parties. Some couples use a threesome as a way to develop a love triangle (ménage à trois).A threesome is a common element of sexual fantasy, and it is commonly depicted in pornography.

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