| Term: | Meaning: |
| A2M | Ass to Mouth, see below |
| AC/DC | Bisexual |
| Active | The dominant sexual partner, in gay sex the partner who does the penetrating |
| A levels | Anal sex |
| Analingus | Oral sex involving the anus |
| Asexual | Lacking in physical attraction to either sex |
| ASL | Used in chatrooms to ask a person's Age Sex and Location |
| Ass Play | Stimulation of the anus, not necessarily by penetration |
| Ass to Mouth | Sexual act popular in porn films, where the penis is withdrawn from the anus and put in the mouth. |
| Auntie | Aging male homosexual |
| Auto-eroticism | Self stimulation; masturbation |
| Bait and Switch | A scam involving escort agencies whereby the girl advertised is not the one who provides the service |
| B and D | Bondage and Discipline |
| Bareback | Unprotected sex |
| BBBF | Bareback Butt Fuck |
| BBF | Bareback Fuck |
| BBBJ | Bare Back Blow Job |
| BBW | Big Beautiful Woman |
| BDSM | Bondage and discipline, Domination and submission, Sado-Masochism |
| Bestiality | Sex involving animals |
| BFP | Bound For Pleasure |
| Bi | Short for Bisexual |
| Bi-Curious | Used to describe someone who is predominantly straight but unsure of their sexuality, or someone willing to experiment with gay sex |
| Birdcage | The anus |
| Bisexual | Sexually or emotionally attracted to both males and females |
| BJ | Blow Job; common term for fellatio, thought to originate from 'below job' |
| Blood Sports | Sex with a woman during her period or sexual acts involving the drawing of blood |
| Bottom | The submissive partner, in gay sex the partner who is penetrated |
| Box | Vagina |
| Buggery | Anal sex |
| Bukkake | Japanese term for the sexual act where several men ejaculate on a woman's face |
| Butt Plug | Sex toy designed to be inserted in the anus and kept there by the natural contraction of the anal sphincter |
| C2C | Cock to Cock; gay sex |
| Camel's Toe | Used to describe the appearance of the female groin area plainly visible in tight clothing |
| CAT | Coital Alignment Technique |
| CBJ | Covered Blow Job; fellatio where a condom is worn on the penis |
| CBT | Cock and Ball Torture |
| CD | Cross Dresser |
| CIF | Cum In Face |
| CIM | Cum In Mouth |
| Clipping | A scam involving the ripping-off of a prostitute's client by taking money without providing a service |
| Cock Ring | A ring or strap worn around the base of the penis to restrict the blood flow which helps prolong erection and delay orgasm |
| Coital Alignment Technique | Sexual position similar to Missionary but the male rides higher so his penis stimultates her clitoris |
| Cottaging | Slang term for gay sex in public toilets |
| Covered | Sex with a condom |
| Cowgirl | Sexual position where the male lies on his back and the female rides on top of him facing him |
| Cream Pie | The vagina or anus containing visible semen after intercourse |
| Cross Dresser | A person who enjoys dressing in the clothes normally worn by the opposite sex, not to be confused with Transvestite |
| Cruising | Openly seeking a, usually gay, sexual partner |
| Cum | As a verb, meaning to orgasm; as a noun, the semen or vaginal fluids produced during orgasm |
| Cumshot | Ejaculation |
| Cunnilingus | Oral sex involving the vagina |
| Cut | Circumcised |
| DDF | Disease and Drug Free |
| Deathwish | Unprotected anal sex |
| Deep Throat | Fellatio where the penis is pushed down the throat |
| Dining At The Y | Cunnilingus, so-called because of the Y shape of the female genital area |
| Dogging | A form of exhibitionism / voyeurism mainly in the UK with its own set of rules and etiquette, which involves sex in or on the car in public places such as car parks, picnic areas, laybys, while others watch and are sometimes invited to join in |
| Double Anal | Sexual act where two penises enter the anus |
| Double Penetration | Sexual act where the woman is penetrated by two men simultaneously, either with one entering the vagina and one entering the anus, or both entering the vagina or both entering the anus |
| Double Oven | Slang for double penetration |
| DP | Double Penetration |
| DPP | Double Pussy Penetration; sexual act where two penises enter the vagina |
| Dry Humping | Rubbing one's genitals against a partner while fully clothed |
| Eating Out | Cunnilingus |
| Enema | Fluid which is injected into the rectum via the anus, for medical purposes or to cleanse the rectum ready for anal sex |
| Exhibitionist | Someone who enjoys showing their body or performing sex in view of others |
| Facial | Sexual act where a man ejaculates on a person's face |
| Fanny | Slang for vagina |
| Fellatio | Oral sex involving the penis |
| Fisting | Sexual act where the entire hand is inserted in the vagina or rectum |
| Fluffer | Someone who performs oral sex, usually on porn actors, to keep them aroused before beginning filming |
| FS | Full Sex or Full Service |
| Gangbang | Sexual act where a person has sex with many men one after another |
| Gaping | View of an open vagina or anus |
| GFE | Girl Friend Experience |
| Glory Hole | A hole in a wall, usually in public toilets, in which a man can insert his penis to have sex with another person without seeing them |
| Golden Shower | See water sports |
| Greek | Anal sex |
| Handjob | Sexual act involving masturbation of a man by another person |
| Hard Sports | Sexual acts involving defaecation |
| Hard Swapping | In swinging, swapping partners with another couple and having full sex with them |
| Headrush | Sexual position where the female lies on her back with her legs over the male's shoulders and the male kneels while supporting her abdomen thus her body is almost upside down |
| HJ | Handjob |
| Hung | Short for well hung; a well endowed male |
| Impotent | Unable to gain or sustain an erection for long enough to achieve intercourse |
| Incall | A visit by a client to the prostitute's location |
| Intersexual | A person with both male and female sex organs |
| Knee Trembler | Sexual position where the male stands and the woman is facing him with her legs around him supported either by the male only or with her back to a wall |
| Lolita | An underage girl who has sex with older men |
| Lunchbox | Male genitals, especially seen through tight underwear |
| MFS | Massage and Full Sex |
| MILF | Mother I'd Like to Fuck |
| Missionary | Sexual position where the female lies on her back with the male on top facing her with his legs between hers |
| MMF | Male Male Female; threesome with two men and one woman |
| MMMF | Male Male Male Female; foursome with three men and one woman |
| MOS | Member of the Opposite Sex |
| MOTOS | Member Of The Opposite Sex |
| MOTSS | Member Of The Same Sex |
| MSS | Member of the Same Sex |
| O levels | Oral sex |
| OTK | Over The Knee |
| Outcall | A visit by a prostitute to the client's location |
| OWO | Oral With Out; unprotected oral sex, fellatio without a condom |
| Passive | The submissive sexual partner; the partner who is being penetrated |
| Pearl necklace | Ejaculation over a woman's breasts or neck area |
| Post-op | A transexual person who has had gender re-assignment surgery |
| Pre-op | A transexual person who has not yet had gender re-assignment surgery |
| Prick | Slang for penis |
| Pussy | Slang for female genitals |
| PSE | Porn Star Experience |
| Punt | A visit to or from a prostitute |
| Punter | Prostitute's client |
| Queening | Face sitting |
| Quickie | Sex in which there is no foreplay and lasts only a short period; a sexual position where the female sits on a surface with her legs wrapped around the male who is standing up |
| Reverse Cowgirl | Sexual position like the Cowgirl but with the female facing the male partner's feet |
| Rimming | Analingus |
| Russian | Sexual act where the penis is rubbed between a partner's breasts |
| Sandwich | Threesome |
| Service provider | Prostitute |
| Shemale | Slang term for a pre-op male transexual |
| Snowball | Sexual act in which semen is passed from one mouth to another after oral sex |
| Sodomy | Anal sex |
| Soft Swapping | In swinging, having sex in front of another couple or swapping partners without having full sex |
| SP | Service Provider |
| Spit roast | Sexual act in which a person is penetrated by one man and performs oral sex on another at the same time |
| Spoons | Sexual position where both partners lie on their sides facing the same way with the male penetrating from behind |
| STD | Sexually Transmitted Disease |
| Switch | A male who can be active or passive during gay sex |
| Top | Active partner, usually in gay sex the partner who does the penetrating |
| Transexual | Simply put, someone who was born with the anatomy of one gender but the mind of the other |
| Transvestite | A man who dresses as a woman |
| TS | Transexual |
| TV | Transvestite |
| Uncovered | Unprotected sex; sex without a condom |
| Versatile | A male who can be active or passive during gay sex |
| Voyeur | Someone who enjoys watching others have sex |
| VWE | Very Well Endowed |
| Walk-up | Brothel |
| Wank | Masturbate |
| Watersports | Sexual act involving urination |
| WG | Working Girl |
| Wheelbarrow | Sexual position where the female begins on all fours then the male lifts her legs and penetrates from behind so that she is supported only by her hands |
| Working girl | Prostitute |
| WS | Watersports |
