Common Acronyms

A4 – 4-speed Automatic Transmission (C5’s & C6’s)
“A6” – 6 speed Automatic Transmission #4L65-e  (steering wheel shifter- C6’s starting   2005)
AB - Auto Buffs
AFAIK - As Far As I Know
AH – Corvette Active Handling
ARE - Agostino Racing Engines
BBL - Be Back Later
BCM – Body Control Module (Column Lock, Horn, Anti-Theft, etc.)
BFD - Big...Fat... Deal
BFN - Bye For Now
BOHICA - Bend Over, Here It Comes Again
BPP - Breathless Performance Products
BRB - Be Right Back
BSOD - Blue Screen Of Death - the windows "Crash" screen
BSM - Body Side Moldings
BTW - By The Way
CAGS - Computer Aided Gear Selection
CF - Carbon Fiber
COH - Corvettes of Houston
DBS – Dead Battery Syndrome
DBW – Drive By Wire
DIC – Driver Information Center
DILLIGAS - Do I Look Like I Give A S---
DILLIGAF - A more emphatic version of DILLIGAS
DILYSI – Drive It Like You Stole It
DLR – Daytime Running Lights 
DSOM – Daytona Sunset Orange Metallic
EBTCM – Electronic Break & Traction Control Module
EGR – Exhaust Gas Recirculation
FI – Forced Induction
FRC – Fixed Roof Coupe or Flying Roof Club or Fuel Rail Covers
FSU – Fuel sending unit
FUBAR - "Fixed" Up Beyond All Recognition
FUD - Fear, Uncertainty, Doubt - BS intended to scare you about a product.
FWIW - For What It's Worth
FYI - For Your Information
g - grin - usually in brackets or angles <g> or [g]
bg - big grin
vbg - very big grin
vbseg - very big stuff eating grin
gd&h - grinning, ducking and hiding
gd&r - grinning, ducking and running
gd&r,vvf - grinning, ducking and running, very very fast
GMAB - Give Me A Break
GMAFB - a vehement version of Give Me A Break <g>
H/C – Heads Cam Pkg
HSIK - How Should I Know
HT - Hardtop (related to FRC)
HUD – Heads Up Display
IAC - In Any Case
IAE - In Any Event
IANAL - I Am Not A Lawyer
IBIWISI - I'll Believe It When I See It
IB4TL= In Before The Thread Lock
INAL - I'm Not A Lawyer
IMO - In My Opinion
IMHO - In My Humble Opinion
IMMHO - In My Most Humble Opinion
IOW - In Other Words
IYKWIM - If you know what I mean
JFYI - Just For Your Information
JMHO - Just My Humble Opinion
JMO - Just My Opinion
KMA - Kiss My ...Ahem....
LAPD – Los Angeles Performance Division
LEO – Law Enforcement Officer
LG – LG Motorsports
LOL - Laughing Out Loud
LMAO - Laughing My <ahem> Off
LMB – Le Mans Blue
LPE - Lingenfelter Performance Engineering
LTFSA - Leave The Fine Settings Alone
MAF – Mass Air Flow 
MN12 (M12) – Z06 6-speed
MN6 – Corvette 6-speed
MTI – Motorsport Technologies, Inc.
NBD - No Big Deal
NCM – National Corvette Museum
NOYB - None Of Your Business
NOYDB - A forceful version of NOYB <g>
NOYFB - A an even more forceful version of NOYB <g>
NRN - No Reply Necessary
OIC - Oh, I See
OEM – Original Equipment Manufacture
OMG – Oh My God
OTL - Out To Lunch
OTOH - On The Other Hand
PCM – Power Train Module
PFM - Pure Freaking Magic
PIMP - Peeing In My Pants (laughing so hard....)
PITA - Pain In The A**
PMFBI - Pardon Me For Butting In
PMFJI - Pardon Me For Jumping In
PMJI - Pardon My Jumping In
POS - Piece of S---
PTB - Powers That Be
R8C – Nat’l Corvette Museum Delivery Option
RNA - Ring, No Answer (communication or telephone term for a problem)
ROFL - Rolling On Floor Laughing
ROTF - Rolling On The Floor
ROTF,L - Rolling On The Floor, Laughing
RSN - Real Soon Now
RTFM - Read The Fu..in Manual
RYFM - Read Your Fine Manual
SOTP - Seat Of The Pants
SNAFU - Situation Normal, All "fixed" Up
SW - Specter Werkes
TANJ - There Ain't No Justice
TANSTAAFL - There Ain't No Such Thing As A Free Lunch
TC – Corvette Traction Control
TDNBW - This Does Not Bode Well
TFPT – Thanks for posting that/this
TIA - Thanks In Advance
TIC - Tongue In Cheek
TMTOYH - Too much time on your hands
TMUI - Too much useless information
TOCF – The/Those Other Corvette Forums
TPTB - The Powers That Be
TPM - Tire Pressure Monitors
TPS – Tire Pressure Sensors
TR – Torch Red
TSTO - To Stupid To Operate
TTFN - Ta Ta For Now
TTS – This Thread Sucks
TTT – To the Top (when posting to a thread to bring it back to the top)
TTYL - Talk (or Type <g> ) To You Later
UABFH - Use A Bigger Freaking Hammer!
VE - Vette Essentials or Volumetric Efficiency
WAD - Working As Designed (... is a feature, not a bug)
WAG - Wild A-- Guess.
S/O – Significant Other
STFU – Shut The Frig Up
SWAG - Super or Scientific WAG
WAM - World According to MSFT (MicroSoft)
WGAS - Who Gives A S---
WGAF - A more emphative version of WGAS
WOA - Work Of Art
WOT - Wide Open Throttle
WSMM - Well Shut My Mouth (Southern Computers Only)
WTH - What The H---
WTF - What The F---
WCC - West Coast Corvettes
WYSIWYG - What you see is what you get
Y2K - year 2000
YHIHF - You Heard It Hear First
YMMV - Your Mileage May Vary