Here is a list of common terms and abbreviations found in adult-themed sites and forums.  Some even use these in mobile phone SMS communications.

AF1 = Air Force One (a popular high-end KTV)

AFAIK = As Far As I Know

AMP = short for "nampucha"

Aquarium = Showroom to view the ladies through a one-way mirror

ATW = all the way

BBBJ = bare back blow job

BJ = blow job

BM = Body Massage

Body Shot = girl uses your nipple as a chaser (with salt and lemon) for her tequila

BRB = Be Right Back

BTW = By the way

CIM = Come in mouth

CM = Condom

DIY = Do It Yourself

DATY = Dining at the Y (cunnilingus)

ES = extra service

EB = Eyeball (to see each other face-to-face)

FB = Facebook

Fishbowl = Showroom to view the ladies through a one-way mirror

FR = field report

FS = Friendster

FUBU = Fuck Buddy

G2G = girl to girl

GFE = girfriend experience

GL = good life

GRM = Guest Relations Manager (aka "Floor Manager" and "mama-san")

GRO = Guest Relations Officer (i.e., the PSP of a KTV)

GTG = got to go

HJ = hand job

IMO = In my opinion

IMHO = In My Humble Opinion

Livewire = sex w/out protection or no condoms

LOL = laughing out loud

KTV = Karaoke TV

MILF = Mothers I'd Like to fuck

MP = massage parlor

MPA = massage parlor attendant

ONS = One Night Stand

OT = off topic

PDP = Palacio Don Pedro

PHAT = Pretty hot and tasty

PSE = pornstar experience

PSP = personal service provider

Pop = the one that comes out from man

POV = Point of View

ROFL = Rolling on floor laughing

ROFLMAO = Rolling on floor laughing my ass off

SEB = Sex Eye Ball

SOP = Sex on Phone

TIA = Thanks In Advance

VC = victoria court

WTF = What the Fuck

YM = Yahoo Messenger

YMMV = Your mileage may vary