Sex is the trait that determines whether a sexually reproducing organism produces male or female gametes. During sexual reproduction, a male and a female...

Same-sex marriage, also known as gay marriage, is the marriage of two people of the same legal sex. As of 2024,[update] marriage between same-sex couples...

reproduction, or both. This is also known as vaginal intercourse or vaginal sex. Sexual penetration has been known by humans since the dawn of time, and...

Sex education, also known as sexual education, sexuality education or sex ed, is the instruction of issues relating to human sexuality, including human...

Sex and the City is an American romantic comedy-drama television series created by Darren Star for HBO. An adaptation of Candace Bushnell's newspaper...

A sex doll (also, joy toy, love doll, fuck doll or blowup doll) is an anthropomorphic sex toy in the size and shape of a sexual partner. The sex doll may...

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...

the film industry, unsimulated sex is the presentation of sex scenes in which actors genuinely perform the depicted sex acts, rather than simulating them...

Joy of Sex is a 1972 illustrated sex manual by British author Alex Comfort. An updated edition was released in September 2008. The Joy of Sex was at the...

Sex assignment (also known as gender assignment) is the discernment of an infant's sex, usually at birth. Based on an inspection of the baby's external...

attraction, romantic attraction, or sexual behavior between members of the same sex or gender. As a sexual orientation, homosexuality is "an enduring pattern...

The Sex Pistols are an English punk rock band formed in London in 1975. Although their initial career lasted just two and a half years, they became one...

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...

Non-penetrative sex or outercourse is sexual activity that usually does not include sexual penetration. It generally excludes the penetrative aspects...

The sex industry (also called the sex trade) consists of businesses that either directly or indirectly provide sex-related products and services or adult...

people. Sex generally refers to an organism's biological sex, while gender usually refers to either social roles typically associated with the sex of a person...

Sex trafficking is human trafficking for the purpose of sexual exploitation. It has been called a form of modern slavery because of the way victims are...

Sixty-nine or 69 is a sex position in which two people align themselves so that each person's mouth is near the other's genitals so that each partner...

A sex scandal is a public scandal involving allegations or information about possibly immoral sexual activities, often associated with the sexual affairs...

Sex magic (sometimes spelled sex magick) is any type of sexual activity used in magical, ritualistic or otherwise religious and spiritual pursuits. One...

acts with another person (e.g., sexual intercourse, non-penetrative sex, oral sex, etc.) in varying patterns of frequency, for a wide variety of reasons...

Casual sex is sexual activity that takes place outside a romantic relationship and implies an absence of commitment, emotional attachment, or familiarity...

Sex clubs, also known as swinger clubs or lifestyle clubs, are formal or informal groups that organize sex-related activities, or establishments where...

Sex manuals are books which explain how to perform sexual practices; they also commonly feature advice on birth control, and sometimes on safe sex and...

practiced: vaginal sex, anal sex, and oral sex (mouth-on-genital or mouth-on-anus). Sex acts may also be part of a fourth category, manual sex, which is stimulating...

The beliefs and practices of Scientology include material related to sex and the rearing of children, which collectively form the second dynamic (urge...

Conventional sex, colloquially known as vanilla sex, is sexual behavior that is within the range of normality for a culture or subculture, and typically...

Cruising for sex or cruising is walking or driving about a locality, called a cruising ground, in search of a sex partner, usually of the anonymous, casual...

Sex hormones, also known as sex steroids, gonadocorticoids and gonadal steroids, are steroid hormones that interact with vertebrate steroid hormone receptors...

A sex on the beach is an alcoholic cocktail containing vodka, peach schnapps, orange juice and cranberry juice. It is an International Bartenders Association...