Dont know exactly what Geek Speak! means but I feel that it means unofficial english language shortcuts used for chatting purposes (or sending smses).

Here's a list that I made while I read this from a newspaper about 2 years ago.
I hope you like it.



A

ASL :- Age/Sex/Location
AKA :- Also Known As
AMBW:- All My Best Wishes
ASAP:- As Soon As Possible

B

BBIAB:- Be Back In A Bit
BBIAF:- Be Back In A Few
BBL :- BE Back Later
BBN :- Bye Bye Now
BCNU :- Be Seein' You
BFNBG:- Bye For Now Big Grin
BIF :- Basic In Fact
BITD :- Back In The Day
BM :- Byte Me
BRB :- Be Right Back
BTW :- By The Way

C

CID :- Consider It Done
CIO :- Check It Out

F

F2F :- Face To Face
FWIW:- For What It's Worth
FYA :- For Your Amusement
FYIG:- For Your Information Grin

G

GL :- Good Luck
GMTA:- Great Minds Think Alike
GR&D:- Grinning, Running and Ducking
GTG:- Got To Go
GTGB:- Got To Go, Bye
GTSY:- Gial To See Ya

H

HAGO:- Have A Good One
HTH:- Hope This Helps

I

IAE:- In Any Event
IC:- In Character
IDKY:- I Don't Know You
IDST:- I Didn't Say That
IDTS:- I Don't Think So
IMHO:- In My Humple Opinion
IMNSHO:- In My NOt So Humble Opinion
IMU:- In My Opinion
IOH:- I'm Outta Here
IOW:- In Other Words
IRL:- In Real Life

K

KIT:- Keep In Touch

L

L8R:- Later
LOL:- Laughing Out Loud or Lots of Love
LTNS:- Long Time No See

M

MOF:- Male or Female
MOTD:- Message of the Day
MOTSS:- Members of the Same Sex

N

NBIF:- No Bias In Fact
NP:- No Problem
NRG:- Energy
NRN:- No Reply Necessary

O

OIC:- Oh, I See
OOC:- Out of Character
OTOH:- On The Other Hand

P

PLS:- Please
PMFJI:- Pardon Me For Jumping In
POV:- Point Of View

R

ROTFL:- Rolling On The Floor Laughing
RSN:- Real Soon Now
RTM:- Read The Manual

S

SITD:- Still In The Dark
SUYF:- Shut Up You Fool
SWG:- Scientific Wild Guess
SWDVT:- So What Do You Think

T

TIA:- Thanks In Advance
TIAIL:- Think I Am In Love
TTFN:- Ta Ta For Now
TTT:- To The Top
TTYL:- Talk To You Later
TX:- Thanks
TYVM:- Thank You Very Much

W

WG:- Wild Guess
WB:- Welcome Back
WCA:- Who Cares Anyway
WDYS:- What Did You Say
WE:- What Ever
WEG:- Wicked Evil Grin
WTG:- Way To Go
WYRN:- What's Your Real Name
WYS:- Whatever You Say
WYT:- Whatever You Think

Y

YA:- Yet Another
YDKM:- You Dont Know Me
YGTBK:- You Got To Be Kidding
YSYD:- Yeah Sure We Do


thanx
vipin

ASAP is also military term, not geek.

tl;dr


Just kidding :D

That's an incredibly comprehensive list you have there.

You forgot about SNAFU and several (hundred) others.

There is a comprehensive site with a list of acronyms here.

Just in case all these acronyms inspire anybody:

Here is the game.

And what about OMG ZERG RUSH! LOL

It's not an acronym. :P

It's one third acronym ;)

umm :P http://en.wikipedia.org/wiki/List_of..._slang_phrases

OMGWTFPWNDDAIRYQUEENBBQ is my favourite