NCNS -- Escort or Client doesn't show up for the appointment, and doesn't call, either before or after.
Newbie -- A novice hobbyist or novice provider.
No-Show -- Escort or Client never shows up for an appointment.
NQBC -- No Quitter But Covered, a CBJ to completion.
NQBS -- No Quitter But Spitter, a BBBJTC followed by spitting out your ejaculate.
NQNS -- No Quitter No Spitter, a BBBJTC followed by swallowing your ejaculate.
NSA -- No Strings Attached.

Out, Outed -- Private, personal info is made public.
Outcall -- She comes to your place.
OWO -- Oral With Out (a condom); bbbj.
OWO to Completion -- OWO resulting in CIM.

Pearl Necklace -- Man ejaculates on woman's neck and/or chest.
Pegging -- anal penetration of a male by either but plug or strap-on.
PIITB -- Put it in the bum/butt.
Pimp -- A man who solicits clients for a prostitute.
Punter -- a British term for a Hobbyist
PSE -- Porn Star Experience.
Puffies -- Breasts where the entire areola appears 'puffy', enlarged, or swollen.
PV -- Private viewing: Dancing, modeling, perhaps a HJ; not usually FS.

Raincoat -- A condom.
RCG -- See Reverse Cowgirl.
Reverse Cowgirl -- Woman rides on top, facing away.
Rimming, Rimjob -- Anilingus
ROB -- Rip Off Bitch - a sub-standard provider, or more likely, a cash and dash specialist.
ROFLMAO -- Rolling On Floor Laughing My Ass Off
RS2K -- Room Service 2000 - a Chicago-based referral service popular in the midwest, but also has national exposure. Google for more info.
RTFF -- Read The Fucking Forum.
Russian -- Penis between her breasts.

San Juan Capistrano -- BBBJTC and she swallows.
Salad Tossing -- Anilingus, tongue in the anus.
Scat -- Defecation on your partner or feces play.
Screening -- A provider or agency does a pre-session background check on a new client.
Shemale -– A transsexual, particularly one who is living as a woman, but hasn't had SRS. The penis may or may not get erect or be able to ejaculate.
Shill -- A hobbyist who writes or posts positive reviews in exchange for discounts or special favors from an agency or provider.
Shots on goal -- Allows more than one orgasm per session.
Sixty-nine or 69 -- Partners perform oral sex on each other simultaneously.
Snowball -- Provider takes ejaculate in her mouth and returns it via kissing to the ejaculator.
SO -- Significant Other.
SOG -- Shots On Goal, attempts at orgasm.
SOMF -- Sat On My Face.
SP -- Service Provider, prostitute.
Spanish (Australian) -- Penis between her breasts (also known as Russian).
Spanish (USA) -- Penis, finger or toy comes out of her ass, and goes directly into her mouth.
Spinner -- A very thin and/or petite provider (from the 1970's toy, "Sit 'n' Spin")
Squirting, Squirter -- Female ejaculation, a provider who ejaculates
SRS -- Sexual Reassignment Surgery.
STD -- Sexually Transmitted Disease.
STFU -- Shut The Fuck Up!!! If you encounter LE, you have the right to remain silent, and the cops have the right to lie!!! Get a lawyer, and don't answer any question without his/her advice. Unless you have been offered immunity, in writing, signed by the DA, and approved by your lawyer, your cooperation can only hurt yourself and others, no matter what the police tell you.
Sting -- A female police officer poses as a prostitute to apprehend unsuspecting johns, or a male police officer poses as a john to apprehend unsuspecting prostitutes.
Street action -- Prostitution that is solicited on public streets.
Stroll -- A street, strip, or neighborhood that sees heavy street action.
Summer teeth -- Her teeth, some are there, some are not.
Sunshine, sunny -- Without a condom (i.e. no raincoat)
SW -- 1) Street walker, 2) Sex Worker
Sybian -- A mechanical sex device that is in the shape of half-barrel with a dildo attachment mounted in the middle.

Teabag, Teabagging -- Man squats and dips his testicles into partners mouth.
TER -- The Erotic Review, the best escort review board in the USA.
TG -- Transgender, a catch-all term for TV, TS, Shemales, and CDs.
Tipping required -- Hidden charges, provider demands more than the advertised price in order to perform, or bargains hard for various services.
TOFTT -- Take One For The Team. A hobbyist sees a provider who has no (or scattered) reviews. He was ripped off, or his experience was very poor. Ostensibly, he has helped save other members of the community (the team) from making the same mistake.
Toss the salad -- Anilingus, tongue in the anus.
Translation, translator, translated -- Using a condom.
Trolling -– 1) The act of driving around looking for a prostitute, 2) Posting to a discussion board with the intent to anger or incite others
TS -- Transsexual.
TUMA -- Tongue Up My Ass.
TV -- Transvestite.
Two Call System -- The general location is revealed during the first call; location specifics are revealed on the second call.

Uncovered -- Without a condom.
Untranslated (ie, untranslated French, or UTF) -- Without a condom.
Upselling -- Payment of additional charges are required for some services.
UTF -- Un-Translated French; a BBBJ.
UTR -- Under The Radar; a provider who maintains a very low profile.

VD -- Venereal Disease.

WAH -- Wild Ass Humping.
Water Sports -- Urination play.
WG -- a British term - Working Girl, a euphonism for a provider.
WTF -- boardspeak for "what the fuck"

XOXOXO -- Hugs and kisses; x = kiss, o = hug, xoxoxo = hugs and kisses

YMMV-- Your Mileage May Vary, a catch-all phrase to remind that tastes differ, and experiences may vary from person to person.