Anal Intercourse A sexual act in which a man inserts his penis into another person's anus.

Anal Play Any anal stimulation or penetration using a penis, fingers, tongue, or sex toy.

Analingus A method of anal or oral sex, also known as anal-oral contact, in which one person's mouth and tongue are used to stimulate another person's anus.

Aphrodisiac A substance believed to increase sexual desire; it can be from a physical or emotional source.

BDSM An abbreviation for Bondage and Discipline and Sadism and Masochism, forms of power exchange.

Cunnilingus Oral stimulation of the female genitals.

Erogenous Zone Areas of the body with heightened sensitivity; stimulation of these areas results in arousal and/or sexual response.

Erotica Literature or art referencing sexuality, usually with the intent to incite sexual desire, while still maintaining a sense of artistic endeavor.

Estrogen The predominant female hormone.

Explicit Media Any media that depicts explicit or graphic sexual images or descriptions of sexual acts.

Fellatio Oral stimulation of the male genitals.

Fingering Using one's fingers to stimulate the clitoris, vagina, or anus.

Foreplay Any erotic stimulation between lovers that comes before sexual intercourse.

Genitals External sex organs.

G-Spot A sexually sensitive area on the upper wall of the vagina approximately two inches from the vaginal opening that when stimulated can lead to orgasm and female ejaculation.

Hand Job Manual stimulation; the use of a hand to stimulate the penis or the vulva.

Intercourse A sexual act in which the penis is inserted into the vagina or anus.

Kegels Exercises to strengthen the pelvic floor muscles.

Libido Sexual desire or sex drive.

Masturbation Sexually pleasing one's genitals through self-stimulation.

Menopause The process of the termination of a woman's menstrual cycle and reproductive capacity.

Multiple Orgasm Having several orgasms occurring in succession.

Orgasm Sexual climax with intense pleasure, usually accompanied by a series of involuntary contractions of the sexual organs, the anus, and the pelvic muscles.

Pegging A sexual act in which a female penetrates a man's anus with a strap-on dildo.

Personal Lubricant A synthetic slippery substance applied to the genitals, erogenous zones, or fingers to assist in stimulation and penetration.

Power Exchange A mutually consensual type of sexual role-play, wherein one partner has control or power over the other partner.

Pre-Orgasmic Not having yet experienced orgasm.

P-Spot A sexually sensitive part of the prostate gland in the lower rectum of men; Similar to the female G-spot

Self-Pleasuring Erotic solo play; masturbation.

Sex Aid Any item used to help increase sexual desire or enhance sexual pleasure, such as explicit media, sex toys, or props.

Sex Toy Object used to enhance pleasure during sexual acts, such as a dildo, cock ring, or vibrator.

STD/STI Sexually transmitted disease/Sexually transmitted infections; diseases or infections that have been transmitted through sexual contact.

Tantra A form of yoga based on Hindu or Buddhist philosophy whose goal is to achieve ecstasy or nirvana through esoteric and sometimes erotic practices; sexual union of a woman and man; Sanskrit for woven together.

Testosterone The predominant male sex hormone, also found in smaller quantities in women.

Vasocongestion The accumulation of blood in the genital tissues as a result of sexual excitement, causing swelling and erection. Also referred to as engorgement.