Anal sex or anal intercourse is generally the insertion and thrusting of the erect penis into a person's anus, or anus and rectum, for sexual pleasure. Other forms of anal sex include anal fingering, the use of sex toys, anilingus, pegging, as well as electrostimulation and erotic torture such as figging. Although anal sex most commonly means penile–anal penetration, sources sometimes use anal intercourse to exclusively denote penile–anal penetration, and anal sex to denote any form of anal sexual activity, especially between pairings as opposed to anal masturbation.
Fellatio is an oral sex act consisting of the stimulation of a penis by using the mouth. Oral stimulation of the scrotum may also be termed fellatio, or colloquially as teabagging.
Virginity is the state of a person who has never engaged in sexual intercourse; it is considered a social construct, not an objective term with an operational definition. Social definitions of virginity therefore vary. Heterosexual individuals may or may not consider loss of virginity to occur only through penile-vaginal penetration, while people of other sexual orientations often include oral sex, anal sex, or manual sex in their definitions of losing one's virginity. The term virgin encompasses a range of definitions, as found in traditional, modern and ethical concepts. Religious rituals for regaining virginity exist in many cultures. Some men and women consider themselves born-again virgins.
A sex position is a positioning of the bodies that people use to engage in sexual intercourse or other sexual activities. Sexual acts are generally described by the positions the participants adopt in order to perform those acts. Though sexual intercourse generally involves penetration of the body of one person by another, sex positions commonly involve non-penetrative sexual activities.
The United States has inherited sodomy laws which constitutionally outlawed a variety of sexual acts that are deemed to be illegal, illicit, unlawful, unnatural and/or immoral from the colonial-era based laws in the 17th century. While they often targeted sexual acts between persons of the same sex, many sodomy-related statutes employed definitions broad enough to outlaw certain sexual acts between persons of different sexes, in some cases even including acts between married persons.
Sexual penetration is the insertion of a body part or other object into a body orifice, such as the mouth, vagina or anus, as part of human sexual activity or sexual behavior in non-human animals.
Terms used to describe homosexuality have gone through many changes since the emergence of the first terms in the mid-19th century. In English, some terms in widespread use have been sodomite, Achillean, Sapphic, Uranian, homophile, lesbian, gay, effeminate, queer, homoaffective, and same-gender attracted. Some of these words are specific to women, some to men, and some can be used of either. Gay people may also be identified under the umbrella term LGBT.
Kentucky v. Wasson, 842 S.W.2d 487, was a 1992 Kentucky Supreme Court decision striking down the state's anti sodomy laws that criminalized sexual activity between two people of the same-sex, holding that this was a violation of both the equal protection of the laws and the right to privacy. The Kentucky case helped pave the way for many other states and eventually the United States Supreme Court to issue similar rulings.
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. Cunnilingus is oral sex performed on the vulva while fellatio is oral sex performed on the penis. Anilingus, another form of oral sex, is oral stimulation of the anus.
The crime against nature or unnatural act has historically been a legal term in English-speaking states identifying forms of sexual behavior not considered natural or decent and are legally punishable offenses. Sexual practices that have historically been considered to be "crimes against nature" include masturbation, sodomy and bestiality.
Donkey punch is the sexual practice of inflicting blunt force trauma to the back of the head or lower back of the receiving partner during anal or vaginal sex as an attempt by the penetrating partner to induce involuntary tightening of internal or external anal sphincter muscles or vaginal passage of the receiving partner. According to Jeffrey Bahr of Medical College of Wisconsin, there is no reflex in humans that would cause such tensing in response to a blow on the head, although striking a partner on the back of the neck or head could cause severe, even lethal injury.
Ass to mouth is a slang term associated with the porn industry describing anal sex immediately followed by oral sex. The term is primarily used to describe a sexual practice whereby an erect penis is removed from a receptive partner's anus and then directly put into their mouth, or possibly the mouth of another.
Non-penetrative sex or outercourse is sexual activity that usually does not include sexual penetration, but some forms, particularly when termed outercourse, include penetrative aspects, that may result from forms of fingering or oral sex. It generally excludes the penetrative aspects of vaginal, anal, or oral sex, but includes various forms of sexual and non-sexual activity, such as frottage, manual sex, mutual masturbation, kissing, or hugging.
Sodomy, also called buggery in British English, generally refers to either anal sex between people, or any sexual activity between a human and another animal (bestiality). It may also mean any non-procreative sexual activity. Originally the term sodomy, which is derived from the story of Sodom and Gomorrah in the Book of Genesis, was commonly restricted to homosexual anal sex. Sodomy laws in many countries criminalized the behavior. In the Western world, many of these laws have been overturned or are routinely not enforced. A person who practices sodomy is sometimes referred to as a sodomite, a pejorative term.
A sodomy law is a law that defines certain sexual acts as crimes. The precise sexual acts meant by the term sodomy are rarely spelled out in the law, but are typically understood and defined by many courts and jurisdictions to include any or all forms of sexual acts that are illegal, illicit, unlawful, unnatural and immoral. Sodomy typically includes anal sex, oral sex, manual sex, and bestiality. In practice, sodomy laws have rarely been enforced to target against sexual activities between individuals of the opposite sex, and have mostly been used to target against sexual activities between individuals of the same sex.
A handjob is a manual sex act involving a person stimulating the penis or scrotum of another by using the hand. This is done to induce an erection for sexual pleasure, sexual arousal and may result in orgasm and ejaculation.
Cunnilingus is an oral sex act consisting of the stimulation of a vulva by using the tongue and lips. The clitoris is the most sexually sensitive part of the vulva, and its stimulation may result in a woman becoming sexually aroused or achieving orgasm.
Anilingus is an oral and anal sex act in which one person stimulates the anus of another by using their tongue or lips.
The following outline is provided as an overview of and topical guide to human sexuality:
Sexual activities involving men who have sex with men (MSM), regardless of their sexual orientation or sexual identity, can include anal sex, non-penetrative sex, and oral sex. Evidence shows that sex between men is significantly underreported in surveys.
