A
A, A/S, A/W	Anal sex, to receive Anal Service, Anal Worship.
AB, Adult Babies	Grown-ups who wish to be treated as babies. This can include the wearing of nappies/diapers, bottle feeding and changing.
Age Play	Role play where you and/or your partner pretend to be different ages - both young, both old, one young/one old.
Algolagnia	Medical/psychological term for the love of pain. Colloquially known as "Masochism."
Auto-Eroticism	Do it Yourself. Masturbation.
B
BDSM	It is generally accepted within the scene that these initials mean Bondage & Domination, Sadism & Masochism, but also that they are extended to Bondage & Discipline / Domination & Submission / Sadism & Masochism.
Blood Sports	Play involving cutting, piercing or the drawing of blood.
Body Bag	A fully enclosed rubber bag into which the slave or submissive is sealed. Used in restriction or mummification games.
Body Modification	To have the body modified by piercing or cutting.
Body Worship	To kiss or lick the Master/Mistress's body. Often the legs, feet or anus.
Bondage	The generic term for practicing tying or restraint. Bondage takes many forms, including elaborate rope bondage, chains, metal handcuffs or leather restraints, as examples.
Boot Worship	To kiss or lick the boots or shoes worn by the Master/Mistress.
Bottom	Sometimes used as another term for submissive, but to be more accurate, this is someone who likes to receive of sensation (not always the submissive).
Breath Play	To have one's breathing restricted or controlled.
Brown Showers	Sometimes referred to as 'hard sports.' To be defecated upon. See also 'Scat' and 'Caviar.'
Butt-Plug	An object with a flared edge that is inserted in the anus. The flared end stops the butt plug from getting lost up inside of the rectum. There many types, sizes and models of Butt Plugs - rubber, latex, metal, inflatable, to name just a few.
C
Cage	A metal cage in which the submissive is locked as part of a scene. The related term "cage of little ease" implies a cage which is so small that the submissive cannot rest in a comfortable position.
Caning	Beating with a cane, usually on the buttocks, often in school-scene games
Cat, cat-o'nine-tails	A whip consisting of nine strands of leather attached to a handle. The cat leaves lasting marks, and inflicts extreme pain if wielded harshly.
Catheter	A tube inserted into the urethra, used in medical scenes. There are obvious health and safety implications associated with this type of play. See also "Sound."
Caviar	See Brown Showers
CBT Board	A wooden or leather board designed to hold the penis and testicles whilst they are tortured. It is usually attached with clamps
Chocolate	Someone who is in the BDSM lifestyle (opposite of Vanilla)
CBT	Cock and Ball torture.
CD	Cross-dressing. To dress, or be forcibly dressed, as a female. (See also Transvestism.)
X	X
Chamber	The room in which sessions take place. Can also be called a Dungeon.
Clamps	Clips, often metal, sometimes clothes pegs, which are attached to the nipples, or genitals.
Clingfilm	The common kitchen wrap. Very effective when used in mummification games. See also 'Mummification.'
Cock Ring	A ring made from metal, rubber or leather, worn round the base of the penis to control blood flow. A Cock Ring can either help sustain an erection, or prevent one if applied to a flaccid penis.
Collar	Worn to denote submissiveness or slavery to a particular Master/Mistress.
Collaring	The ceremony or ritual by which a submissive becomes bound to his or her Master/Mistress. Collaring represents a serious commitment between the players and is not a part of casual play.
Consensual	based on mutual agreement; not coerced; one of the three cornerstones of social SM play: Safe, Sane & Consensual.
Coprophilia	The technical term forScat games.
Corporal Punishment, CP	"Punishment" by beating. The term CP sometimes implies a more vigorous beating than "spanking", but the two are often used interchangably.
Crop	The thing that jockeys use on horses. A well applied crop causes significant pain, and will leave marks, even when applied lightly.
Cuffs	Either metal or leather, and worn on the wrists and/or ankles as a method of restraint.
Cutting	Involves being cut with a scalpel. See also "scarification."
D
Dildo play, Dildo Training	A dildo is inserted into the rectum. There are various sizes, from finger size to enormous.
Discipline	practice which produces discomfort for the purpose of sexual or emotional arousal.
Dog Training	You're the dog. Wear a collar and lead, eat and drink from a bowl on the floor, beg and bark.
Dom	A Male Dominant. C.f. "domme."
Domina, Domme, Dominant, Dominatrix	Various alternative terms which may be used to describe a Mistress.
Domination	To be dominated by a Master/Mistress. This includes obeying instructions, carrying out tasks, humiliation and being dominated generally. Domination, in its strictest definition, is largely psychological play and is distinct from "topping" which refers to physical S&M.
Dungeon	Most Masters/Mistresses refer to the room where they play as a dungeon. Some dungeons are decorated and equipped in the style of mediaeval torture chambers, but the term covers any room equipped for BDSM. Q.v. "chamber."
E
Edge-Play	This means that the scene will be taken to extreme limits; danger to health is implied. Edge play should only be contemplated by those experienced in BDSM. This is definitely not for the novice.
Electrics	To be tortured or stimulated with a low-voltage electrical device, such as a 'Violet Wand', PES or a TENS unit. There are both dildo and catheter attachments which can deliver an internal electric shock. Electrical play is safe when done by a knowledgeable Master/Mistress but very dangerous when done by an inexperienced dominant.
Endorphins	A group of endogenous, morphine-like hormones secreted by the brain when the body is under unusual stress, which fit into the brain's opioid receptors and stimulate them to fire, producing tranquilizing and pain-killing properties that appear to help induce a sort of euphoria; some people report feeling a state of well-being similar to endorphin euphoria after experiencing intense sensations such as those associated with prolonged flogging.
Enema	Lots of fun if you are into it. An enema is used to fill the colon with water or other liquid. Often used in medical scenes.
F
Face Sitting	To have your face sat upon by the Mistress. The details vary; some face-sitting is simply an expression of dominance; some is a part of breathing restriction games; some is explicitly sexual and the submissive is expected to perform cunnilingus on the Mistress. The last-named variant is common between lovers, but rare in professional BDSM; most professional Mistresses do not allow it and may be offended if a client asks for it.
Fantasy	Many and varied. Whatever your fantasy, you can wager your pension that someone else, somewhere, has a similar fantasy. Some Masters/Mistresses will indulge your fantasies.
Feminization	For a man to be dressed and often made-up as a female, either voluntarily or under duress.
Fetish, Fetishist	Fetish is a term used to describe a specific area of interest, likewise a fetishist is one participates in those fetishes. There are probably a hundred or more activities which can be described as fetishes, but a representative example are those involving rubber, latex, PVC or leather.
Fisting	A hand is inserted into the anus or vagina and then balled into a fist. The submissive needs to be experienced to receive a fist, and the Master/Mistress skilled to perform it.
Flogger	A rubber, latex or leather multi-stranded whip.
Foot Fetish or Worship	To kiss or lick the feet of the Master/Mistress.
Friends With Benefits	Generally an open relationship based on genuine affection and trust that guarantees everybody gets laid without making a romantic commitment. Someone you can hang out with and have sex with, but don't really plan on ever living with. Also goes by Fuck Buddies, Friends with Perks, etc.
G
Gags	Many kinds available, but are often ball gags, or penis-shaped gags. Sometimes inflatable.
	Leather or rubber device consisting of several straps which enclose and restrict the penis and testicles. Used as a male chastity device.
Golden Showers or G/S	To be urinated upon. Occasionally referred to as Golden Wine or Golden Champagne. Q.v. "watersports."
H
Hard Sports	Scat games.
Harness	Usually leather or rubber, worn by the submissive. The harness will sometimes restrict the movement of the arms.
Health and Safety	This is a huge area. However, basically, only ever use equipment which has been sterilized if it is invasive. Tell the Master/Mistress if you have any medical conditions - especially if cardio-vascular. Many Masters/Mistresses are happy to see those who are HIV+. Just tell him/her. Never play without a safe word. Always use a condom, even if the end result is auto-erotic. You know, all common sense stuff.
Heavy Play	Sophisticated or advanced activities or techniques used for psychological or physical stimulation that require special training for safety reasons, e.g. breath control, cutting, temporary and/or permanent piercing, branding, burning, electroplay: also play that is very intense physically and / or psychologically, as very intense pain, or very intense surrender.
Hermaphrodite	A person having both male and female reproductive organs
Hood	Hoods are usually rubber, leather, latex or PVC and totally enclose the head. There are many different types of hood, but some have gags or zips fitted to restrict vision and breathing. Very efficient when used as part of sensory deprivation games.
Human Toilet Training	You're the toilet, and often restrained in a toilet box, whilst the Master/Mistress urinates or defecates on you. Toilet training usually implies that you receive the excrement in your mouth, as opposed to "showers" where the waste falls on your body.
Humiliation	Takes many forms, but is exactly what it says. To be humiliated forms a part of many scenes, and can be related to body shape or penis size, among other things.
Hypnotism	Some Masters/Mistresses engage in hypno-play. You have to make your own mind up about getting into this, but it can be very exciting if the Master/Mistress is an experienced practitioner.
I
Ice	Ice can be used very effectively as an instrument of torture.
Immobilization	Rendering a bottom helpless by completely restricting movement through bondage.
Infantilism	See Age Play
Interrogation	A type of role play - can be very intense. Interrogation may involve torture.
K
klismaphilia	A love of enemas. Enema games.
L
Lash	Descriptive of any kind of whip
Leather	Leather is not only the product, but also can be a keyword for a type of lifestyle. Leathermen are usually gay males who also are into BDSM. It can imply an "old guard" sort of mentality where discipline is stricter and rules of interaction apply.
Limits	Boundaries of consent as negotiated between partners, including activities in which one person does not wish to participate.
M
Maid Training	Wearing a maid's outfit. Cleaning, serving the Master/Mistress and generally acting as a maid.
Marks	Most Masters/Mistresses will ask before marking you. Remember that even the lightest application of a whip or crop will leave marks which will be visible for anything from several hours to several days.
Masochist	A person who enjoys receiving intense sensation in a consensual, erotic context.
Master	Sometimes the word "dominant" is used, but master usually has a "heavier" implication. While someone can be dominant in a scene, a master usually implies a relationship, sometimes a 24x7 relationship.
Medical Scenes	Where the Master/Mistress plays the role of doctor or nurse. Often involves the use of rectal exams, enemas and catheters. Occasionally, body-neutral fluids are injected under the skin.
M.O.S.	Members of the Opposite Sex.
Mummification	The whole body is wrapped in clingfilm or other suitable wrapping, or enclosed in a body bag. Breathing is often controlled via a mouth or nose tube.
Munch	A term used world-wide for purely social gatherings of the BDSM community, usually in public places where people can mix and mingle in a relaxed safe environment.
N
Negotiation	Conferring and discussing to reach an agreement about what will happen in an SM scene regarding likes, dislikes, limits, health issues, roles, etc.
Nipple Torture, NT	Any application of pain to the nipples. Clamps, of which there are many kinds, are often used.
O
Obedience	Master/Mistresses will expect absolute, unquestioning, obedience to their commands.
Oral Service	Cunnilingus. Some Mistresses will allow you to do this. Most won't.
P
PA	Prince Albert. A ring which pierces through the urethra and comes out of the underside of the penis. There are several piercing and modification sites where you can see photographic examples of the PA.
Panty Boys	Those who like to wear female underwear, especially panties, as part of a scene.
Parachute	Parachute-shaped rubber or leather attachment for the scrotum or penis. Weights are then placed in it to stretch the penis and testicles.
Pet Training	To be trained as a dog, pony or other pet.
Piercing	Either temporary or permanent. If temporary, needles are used and removed at the end of the scene. There are many kinds of body piercing which are permanent, including piercings to the genitalia and nipples.
Play	To participate in a BDSM scene.
Pony	This involves acting as a pony, pulling a small trailer with Master/Mistress in. And guess where you wear the tail.
Poppers	A liquid stimulant which is sniffed. Poppers act by causing a brief, but intense surge of blood to the heart and brain. The "high" produces light-headedness, intensified orgasms, and a sense of time slowing down. (Poppers are dangerous for people with certain medical conditions, like glaucoma and cardio-respiratory problems.
Pro-Domme	A Professional Dominatrix. Payment ("tribute") is expected for her sessions.
Prostate Milking	A method of provoking ejaculation without touching the penis. The prostate is massaged internally, causing semen to leave the ampulla, a storage reservoir, and ejaculate. When used in conjunction with a chastity device and ice on the penis and testicles, the pleasure can be removed from the act of ejaculation leaving the male drained of semen and making enforced chastity much easier. An excellent article on this subject can be found here.
R
R/L	Real life. For example, where one has a real-life Master/Mistress. Usually descriptive of a situation that is not fantasy, but reality. See 24/7.
R/T	http://alt.com/go/page/glossary.html?m=3828601_82747#2424
Rack	Exactly the same as the Medieval torture instrument, but (we very much hope!) not used to the same extreme extent.
Restraints	Cuffs, usually made of leather, that close around wrists and ankles and also, sometimes, around thighs, waist, etc.
Restriction Games	A part of the bondage scene. Often where breathing is restricted or controlled.
Rimming	The act of licking the anal rim of another person in order to gain and/or give sexual pleasure. (Also called a "rim job.")
Role-Play	You both act out roles, teacher/pupil or nurse/patient for example. Usually, only the broad outlines are sketched out, and the Master/Mistress runs and controls the play. Almost all BDSM involves some level of role-play.
Rubber, Latex, PVC	Worn or used in scenes. It is possible to acquire a massive wardrobe of clothing and toys.
S
S&M	Sadism and masochism.
S.S.C	Safe, Sane, Consensual. What all your scenes should be.
Sadist	Person who enjoys giving intense sensation (usually pain) in a consensual SM context.
Safety	Make sure you negotiate exactly where you want to go with the Master/Mistress. Ensure that you fully explain your limits. No good Master/Mistress will exceed your limits. See 'Safe-Word', below.
Scarification	To be cut and scarred. The scars are often stylized, and displayed in the same way as tattoos.
Scat	Playing with excrement; being used as a toilet.
Scene	BDSM generally is referred to as 'The Scene.' 'To Scene' is to play BDSM games.
School Room	Where schoolboy/schoolgirl/teacher scenes are played out, with the Master/Mistress acting as the teacher.
Sensory Depravation	Using blindfolds, gags, ear plugs, hoods, bondage, etc. to reduce information available to one or more senses.
Service	Doing for another; the bottom for the Top, as an expression of obedience, respect, submission, devotion, love, etc.
Sex	Vaginal or oral sex may be the culmination of games played privately between couples, but it is rarely if ever part of professional domination. The vast majority of professional mistresses will not have sex of any kind with their clients, and will be angered by any suggestion that they should.
Sissy Boy, Sissification	Much like Panty Boy, above. Sissification means enforced feminization.
Slave, Slave-Slut	Some Dominas will expect you to behave exactly like a slave. Slaves are often referred to as slave-sluts
Slave	person who is consensually owned as property of another.
Smoke	The Master/Mistress will exhale cigarette smoke, often into the filter tube of a gas mask worn by the sub. Any game involving cigarette or cigar smoke
Snake Bite	A rubber suction cup is applied to the skin. Be aware that it leaves a mark like a love-bite.
Sound	Metal medical instrument which is inserted into the urethra. Occasionally, a lubricated cotton bud is used instead of metal.
Speculum	Metal medical instrument which is used to open and expand the anus or vagina.
Spreader Bars	A rigid bar attached to ankle or wrist cuffs. Designed to hold the legs or arms apart.
St. Andrew's Cross	A diagonal cross upon which the submissive is tied.
Strap-On, Strap-On Games	The Master/Mistress wears a latex penis strap-on and you are expected to receive it.
Submissive, Sub	Master/Mistress is the Dominant, you are the submissive.
Suspension	Being hung up, or suspended, by the tied wrists, wrists and ankles or even feet.
Switch	A person who can 'switch' between being either a Dominant or a submissive. Switching is quite common amongst lifestyle Masters/Mistresses, but is rarely part of professional sessions.
T
TENS Unit	Battery powered device for delivering a low-voltage electric shock.
Toilet Box	Laying on your back, a toilet box is a purpose-built box, with a toilet seat on top, which fits round the head. Master/Mistress then sits on the box.
Topping from the bottom	A domminant. "Topping" is sometimes used specifically to refer to physical S&M, as distinct from psychological domination.
Torture	Generic term for activities which occur during a scene. Can be from mild to extreme.
Toy	Equipment used in an SM scene; aka, tool, gear, equipment.
TPE, Total Power Exchange	It's the condition of a relationship in which no impediment to the exercise of the owner's power is accepted. Sometimes goes with 24/7, but not always
Transgender	A person who was previously one gender and changed to the opposite gender by an operation.
Tribute	The money that is paid to a Pro-Domme as a fee for a session.
TV, Transvestism	Dressing like a member of the opposite sex, usually in a very convincing manner. The term TV, as opposed to cross-dresser or CD, is sometimes used specifically to indicate someone who gets fetishistic pleasure from dressing.
V
Vanilla	Descriptive of people who are not active in the BDSM scene; e.g. "vanilla sex."
Violet Wand	Low-voltage electrical device which produces static electricity. Used to torture and/or stimulate the penis, scrotum and anus.
W
Watersports, WS	The dominant urinates on the submissive. Watersports includes "golden showers" (q.v.) and may also include "toilet training" (q.v.).
Wax	Hot candle wax dripped on the body is an effective means of inflicting pain
Weights	Often attached to the penis, testicles or nipples to stretch them.
Wheel	A free-spinning wheel to which the submissive is tied and rotated round. Sometimes called the Catherine Wheel.
Whip	he sharp crack of a whip is a staple in BDSM games. Whips can be used gently and sensually or turn someone's bare butt cheeks flaming red.
White Room	As an addition to a dungeon, where medical and clinical games are played
Worship	Adoring and / or loving a person, a person's body or body part, or a thing in a reverential manner - such as boots