C&P from other forum
AJ: Anal Job (penetration of the arsehole)
AR: Arse/Ass Rimming (licking of the arsehole)
AV/AVS: Anti-Vice Squad (the section of our men-in-blue that regulates vice activities)
BGR: Boy-Girl Relationship
BJ: Blow Job (usually means it's done with a condom)
BBBJ: Bare Back Blow Job (means it's done without a condom)
BBW: Big Beautiful Woman or Big Breasted Women.
BDSM: Bondage, Domination, Sadism, Masochism (basically your whips & chains stuff)
CIM: Come-In-Mouth (ejaculation into the mouth)
COF: Come-On-Face (ejaculation onto the face)
FJ: Fuck/Full Job
FL: Freelancer (working lady not associated with any establishment or agent)
FR: Field Report (narrative of your sexual experience with FL)
FUCK = (acronym) For Unlawful Carnal Knowledge, intercourse, FS
GFE: Girlfriend Experience (usually associated with lots of french-kissing and girlfriend-like attitude)
GND: Girl-Next-Door
GL: Geylang (Singapore's 'legal' red light district)
HC: Health Centre (massage parlours, where one can usually get more than a massage)
HJ: Hand Job
KS: Keong Saik (Another of Singapore's red light district)
KTV: Karaoke TV (a karaoke joint, usually with ladies to accompany the customer)
LOS: Land of Smiles (Thailand)
MILF: Mum I'd Like to Fuck (attractive older women)
OKT: Orh Kui Tao (hokkien slang that means pimp/agent)
OL: Office Lady
OT: Orchard Towers
ONS: One Night Stand (Having sex with someone once. Usually with an acquaintance)
PRC: People's Republic of China (refers to ladies from China)
RTF: Return To Fuck (means whether the john will see the lady again)
RQ: Race Queen
SOP: Standard Operating Procedure (usual bare minimum given by most ladies of the same category)
SYT: Sweet Young Thing
TC: Tok-Cok
TG: Thai Girl (be careful when using this as it means 'transgender' internationally!)
TK: Tok-Kong
STD: Sexually Transmitted Disease (including: Syphilis, Ghoneria, Chlamydia, Vaginal Warts. Herpes, AIDS)
WL: Working Lady (service providers)
69: sex act involving simultaneous sucking/licking of the genitals of/by both partners
Analingus: licking/sucking the anus (i.e., asshole) of your partner
Bukkake: facial Cum-Shower
Cunnilingus: licking/sucking/eating a girls box (vaginal)
Cunt: a negative/offensive term often used in place of: vagina
Deep Throat: the woman swallows the entire penis to the pubic hairs to the balls
Fetish: any sexual activity that is beyond the accepted-normality
Gangbang: one or more women having sex with three or more men
G-Spot: Grafenberg Spot (an area inside a woman's vagina that induces intense orgasm
Joe: generic name for penis/dick
John: generic name for the male customer of a Prostitute
Orgy: sexual activity involving many participants, Roman
Pussy: synonym for vagina, fondly used. A negative term used is: cunt
Scat: (Scatology) fetish involving shit¡K usually performed by the Japanese (in/on video)