Threesome

[citation needed] Threesomes are a common element of sexual fantasy,[5][6] and are widely depicted in pornography.

It is a matter of subjective definition whether participation of a third person without physical contact constitutes a threesome and this sort of sexual activity might instead be interpreted as voyeurism or cuckolding or cuckqueaning.

[1] Sandwich is slang for a person performing both receptive and insertive anal and/or vaginal sex simultaneously during a threesome, being positioned between the two partners.

In the work, drawing mainly from interview data, Karlen outlined how threesomes were often viewed as qualitatively different to other forms of group sex.

[9] One study soliciting responses to a sex survey via a British newspaper in 1987 found that 34% of 1,862 men, and 15% of 2,905 women had experience of a threesome.