To add to ^those:
IOI - Indicator of Interest
IOD - Indicator of Disinterest
HB - Hot Babe
C&F - ****y and Funny
CB - C0ck Block
LJBF - Let's Just Be Friends
LTR - Long-Term relationship
LDR - Long-Distance relationship
AMOG - Alpha Male Of Group
AA - Approach Anxiety
DHV - Demonstration of Higher Value
DLV - Demonstration of Lower Value
FTC - False Tim Constraint
OKC - OKCupid dating site
FC - Friend Zone
BL - Body Language
FR - Field Report
LR - Lay Report
MM - Mystery Method
DQ - Disqualifier
DTF - Down to Fvck
PDA - Public Display of Affection
IL - Interest Level
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White Knight - Guy always trying to "save" girls from their problems. Come to their rescue.
Kino - Kinesthetics = Touching a girl (non-sexually) to break down the space barrier.
KClose - Kiss Close
FClose - Fvck Close
Peacocking - Doing something to stand out (many times clothing related)
Neg/Neg Hit - Way of slipping in a subtle comment to knock a girl down off her high horse.
Social Proof - Giving off a vibe of high value, based on who knows you, talks to you, talks about you, is with you, etc.
Wing - Wingman out with you to help you pick up chicks.
Sarge - Term for going out to pick up chicks.
Oneitis - Being stuck on one girl, not spinning plates (see below)
Spinning Plates - Having multiple girls on your radar.
Sh!t Test - Tests woman try to trip you up with during your pickup (and some never stop).
EDIT: Added some more, plus took Mike's idea of non Acronyms