69, Simultaneous fellatio and cunnilingus
A, Anal or A level
A-Levels, Anal or A
AC/DC,  Bisexual
All Services, Generally would include all services.
Animal play, Role play - When one or both partners pretend to be an animal
Anal, Anal, Anus, A or A - level
Analingus, Kissing and penetration of the anus by tongue
Anus, The opening of the rectum
Areola, The dark area surrounding the nipples of women and men
Around the world, Kissing the entire body before sex
Asexual, Absence of sexual feeling
ATM, Ass to mouth

Auto-eroticism, Masturbation on your self
Auto-fellatio, Performing fellatio on your own penis
AW0,Anal without a condom
Back scuttle, Performing anal, anal or A-level

Bag, The scrotum
Back yard, The buttocks
Ball (having a ball),  A wild sex activity
Balls,  The testicles
Banana,  The penis
Bareback,  Without a condom
BBBF,  Bareback butt fuck (without a condom)

BBBJ,  Bareback blow job (without a condom)

BBF,  Bareback fuck (without a condom)

BBW,  Big beautiful woman
BDSM,  bondage and discipline (bd) and sadomasochism (sm.)

BJ, Blow job

Beat off, Masturbation
Bi-sexual, sexual activities with members of both sexes

Blow job, The act of oral intercourse
Bondage,  Restraining the body in a practice to avoid movement
Bondage and Discipline,  dominant/submissive role play
Bring off,  Male ejaculation
Brown shower,  Another name for hardsports
Brut service, Cumming over her body and/or face ( Splash it all over )
Bugger,  To perform anal intercourse
Bummer,  Active partner in anal sex
Buns, The buttocks

CIM,  Cum in mouth
CIF, Cum in faceCircumcised, The foreskin has been surgically removed
Climax,  To achieve the high point of sex activity
COB, Cum on body, can also mean cum on breasts
COF,  Cum On Face
Coitus,  Sexual intercourse
Coitus in anal, Anal intercourse
Coitus interruptus,  Withdrawal of the penis prior to ejaculation
Condom,  A sheath of thin rubber worn on the penis.
Consentual,  Both involved have agreed to perform with each other
Contraceptive,  Birth control
Cowgirl,  Man on his back, the woman riding on top
Covered,  With a condom
Cum,  Semen
Cum facial,  Same as facial
Cunnilingus,  Stimulation of the woman's genital area with the lips and tongue
Cunt, Derogatory term for vagina.
CWM,   Cyber Whore Monger using the Internet to find escorts.

DATY, Dining At The Y, oral sex on woman

DFK, Deep French Kissing

Diaphragm,  A soft rubber dome intended to fit securely over the cervix.
Doggie style, Woman on her knees the man entering from behind
Dogging, sex in public place, usually a park

Dominance, One partner dominates the other with their consent
Early Ejaculation,  Ejaculation before it was desired
Ejaculation,  Male ejaculation from sexual climax
Emergency Contraception,  Oral contraceptives after unprotected intercourse
Enema,  Inserted in to the anus to flush and clean out the colon
English, Spanking etc

Erectile Dysfunction,  The inability to become or maintain erection
Erection,  Male arousal of the penis
Erogenous Zone,  Any area of the body very sensitive to touch
Erotic,  A thing which is sexually arousing
Escort,  A person who sells companionship
Exhibitionist,  sexual gratification by displayings body to others
Facial,  To ejaculate over her face
Faking,  Pretending to reach climax in order to end play or please a partner
Family jewels,  The testicles
Fanny,  Same as pussy, cunt, quim 
Fellatio,  kiss, nibble, lick or cock-sucking
Foot fetish / worship,  Sexual obsession toward feet or shoes
Footjob, masturbarting penis using feet

Foreplay,  Physical stimulation by kissing, touching, stroking, massaging etc.
FR  Field report, an experience by a client also known as a review
French,  Another term for fellatio
French kissing,  Deep kissing, tongue kissing or kissing with tongues
FS,  Full sex (Same as Ffull Service)
Fuck, sexual intercourse

Full service,  Usually means vaginal intercourse and oral (Also known as FS)
Full personal service, Same as Full Service
Full strip,  She takes all her clothes off
FWO, French without (condom off). Same as OWO or BBBJ
Genitals,  The reproductive organs
GFE,  To provide a girlfriend type experience. Treating you like her boyfriend
Give head,  To perform oral intercourse
Go down on,  To perform oral intercourse
Golden shower,  One person urinates on another.
Greek,  To perform anal intercourse
Growl, oral sex on woman

Half & half,   French and sex
Hand job,  Masturbation
Hardsports,  Defecation in a sexual context.
Heady, blowjob

HJ,  Masturbation - same as hand-job
Hobby,  Is the punter, or person punting - Also client
Hooker, sex worker
Horny,  Sexually aroused; passionate
HR,  Hand relief. Same as hand job or masturbation
H/S,  Hardsports
Incall,  Where the client visits. Opposite of outcall
Jack off, Masturbation
Jerk off,  Masturbation
John,  A client or punter
Kiss with tongues,  Kissing with tongues
LT, Long time booking

Masturbation,  Manual manipulation of genitals
Matinee,  A sex session in the afternoon
Mish,  Missionary position
Missionary position,  Woman on her back, man on top facing her
Mutual masturbation,  Where partners manipulate each other's genitals
O, Oral sex
O-levels,  Oral sex
Old dirt road,  Using the anus for intercourse
Oral intercourse,  Using your mouth to perform on another's genitals
Oral,  Oral sex. Either fellatio or cunnilingus
Orgasm,  The peak of sensation during sexual activity
Outcall,  To visit the clients home or hotel. Opposite of incall
OWO,  Oral without [a condom]. Same as FWO or BBBJ
Pearl diver,  One who performs oral on the penis
Pearl necklace,  Ejaculation over her breasts shoulders and neck
PSE,  Porn Star Experience
Punter,  A client, John or punter
Ream, anal sex

Reverse oral,  Performed oral by the punter on the girl
Rim / rimming,  Kissing or licking the anus - similar to oral
Rubber,  A condom
Russian,  Breast sex
Sandwich,  A 2 girl sandwich,  (The man is the meat in the girl sandwich)
Scat,  Hardsports, sometimes SKAT
Screamer, being very vocal, usually yelling and screaming during sex

Sixty-nine,  Genital oral intercourse performed on each other.
Slave,  A submissive that is involved in a slave/master fantasy
Sodomy, The insertion of the penis into the anus
Solid sports,  Hardsports
Solo sexual,  Preference to pleasing your self rather than with other people
Spanish, Breast Fucking
Spanking,  Striking or paddling a submissive in their butts
ST, short time booking usually 15 minutes

SWO,  Sex without (a condom) Same as BBF
Testicles,  The male reproductive glands
Tongue,  Performing oral or french kissing
Toolbox,  The male testicles
TV, Transvestite

Uncovered,  Without a condom
Watersports,  Urination in a sexual context. Usually means that the service provider urinates over the client, or at least for the client to watch.
WG,  Working girl - an escort
Wiener,  Penis
With,  Using a condom
Without,  Not using a a condom
W/S,  Watersports