Oral sex , sometimes referred to as oral intercourse , is sexual activity involving the stimulation of the genitalia of a person by another person using the mouth including the lips, tongue, or teeth. Cunnilingus is oral sex performed on the vulva while fellatio is oral sex performed on the penis. Oral sex may be performed as foreplay to incite sexual arousal before other sexual activities such as vaginal or anal intercourse , [ 1 ] [ 3 ] or as an erotic and physically intimate act in its own right.
However, the transmission risk for oral sex, especially HIV transmission, is significantly lower than for vaginal or anal sex. Oral sex is often regarded as taboo , [ 1 ] but most countries do not have laws which ban the practice. Commonly, people do not think of oral sex as affecting the virginity of either partner, though opinions on the matter vary.
Oral sex may be practiced by people of any sexual orientation. Oral sex is sexual stimulation of another person's genitals by using the mouth, and may take various forms. During facesitting , the receiver sits on the giver's face and pushes into it with their genitals.
Oral sex can also be performed by both partners at the same time in the so-called "sixty-nine" position. Irrumatio is a forced form of fellatio where one actively forces their penis into the partner's mouth. In regards to masturbation , there is autofellatio , a possible but rare variant, and autocunnilingus , which may be possible for women with extremely flexible spines. An act of group sex restricted to one woman giving oral sex to several men is referred to as a gangsuck , blowbang or lineup , all derivatives of the slang term gang bang for group sex.
Bukkake and gokkun may also involve oral sex. Oral sex may be practised to preserve virginity , especially among heterosexual pairings; this is sometimes termed technical virginity which may include anal sex , manual sex , and other non-penetrative sex acts, but excludes penile-vaginal sex.
