Agro is short for aggression.
http://www.mantex.co.uk/samples/texting.htm
http://www.net-comber.com/acronyms.html
SMS Terms
AFAIK -- As Far As I Know
AFK -- Away from keyboard
Alwz -- Always
ASL -- Age, sex, location
ASAP -- As soon as possible
ATB -- All the best
ATK -- At the keyboard
ATM -- At the moment
A3 -- Anytime, Anywhere, Anyplace
B -- Be
B4 -- Before
B4N -- Bye for now
BCNU -- Be seeing you
BAK -- Back at keyboard
BBL -- Be back later
BCNU -- Be seeing you
BBS -- Be back soon
BF -- Boyfriend
BFN/B4N -- Bye for now
BFz4evr -- Best friends forever
BHL8 -- Be home late
BIL -- Boss is listening
BN -- Been
BOL - Best of luck
BRB -- Be right back
BRBGP -- Be right back gotta pee
BRT -- Be right there
BTW -- By the way
B4N -- Bye for now
C -- See
CU -- See you
CUB L8R -- Call you back later
CU@ -- See you at
CUL -- See you later
CYA -- See you around, See ya
CMi -- Call me
CMON -- Come On
CUB L8R -- Call you back later
CUL8R -- See you later
CYR BOS -- Call Your Boss
CYR BRO -- Call your brother
CYR H -- Call your husband
CYR MA -- Call your mother
CYR OFIS -- Call your office
CYR PA -- Call your father
CYR SIS -- Call your sister
CYR WF -- Call your wife
Dk -- Don't know
DNR - Dinner
doN -- Doing
Dur? -- Do you remember
E2eg -- Ear to ear grin
EOD -- End of discussion
EOL -- End of lecture
EVRY1 -- Everyone
EZY -- Easy
EZ - Easy
FAQ -- Frequently asked questions
FC -- Fingers crossed
F2F -- Face to face
F2T -- Free to talk
F? -- Friends?
FITB -- Fill in the blank
FOMCL -- Fell out of my chair laughing
FYEO -- For your eyes only
FYA -- For your amusement
FYI - For your information
F2F -- Face to face
F2T -- Free to talk
GAL -- Get a life
GF -- Girlfirend
GG -- Good game
GMeSumLuvin -- Give me some lovin’!
GMTA -- Great minds think alike
GR8 -- Great!
GSOH -- Good salary, own home
GTSY -- Glad to see you
GUDLUK -- Good luck
G9 -- Genius
h2cus -- Hope to see you soon
H8 -- Hate
HAGN -- Have a good night
HAND -- Have a nice day
HldMeCls -- Hold me close
HRU -- How are you
Ht4U -- Hot for you
HTH - Hope that helps
H&K -- Hugs and kisses
IAC -- In any case
IAD8 -- It's a date
IC -- I See
ICQ -- I seek you
ICQ -- A chat program: icq.com
IDK -- I don't know
IGotUBabe-- I've got you babe
IIRC -- If I recall correctly
ILU -- I love you
ILU2 -- I love you too
ILUA -- I love you alot
ILuvU Alwz&4evr -- I love you always and forever
IMO -- In my opinion
IMHO -- In my honest (or humble) opinion
IMBLuv -- It must be love
IMI -- I mean it
IMO -- In my opinion
IMTNG -- I am in a meeting
IM 4 U -- I am for you
Im :) 2hv Mt U -- I'm happy to have met you
IOU -- I owe you
IOW -- In other words
IRL -- In real life
Its F8 -- It's fate
IUSS -- If you say so
IYD -- In your dreams
IYKWIM - If you know what I mean
J4F -- Just for fun
JFK -- Just for kicks
JK - Just kidding
JHB -- Johannesburg
JstCllMe -- Just call me
KC -- Keep cool
KHUF -- Know how you feel
KISS -- Keep it simple, Stupid
KIT -- Keep in touch
KOTC -- Kiss on the cheek
KOTL -- Kiss on the lips
L&N -- Landing
LDR -- Long distance relationship
LMAO -- Laugh my *** off
LOL -- Laughing out loud
LDN -- London
LSKOL - Long slow kiss on the lips
LTNS - Long time no see
LTNS -- Long time no see
LTNC -- Long time no see
LUV -- Love
LtsGt2gthr -- Lets get together
lyN -- Lying
L8 -- Late
L8r -- Later
MTE -- My thoughts exactly
M$ULkeCrZ -- Miss you like crazy!
MC -- Merry Christmas
MGB -- May god bless
Mob -- Mobile
MU - Miss you
MUSM - Miss you so much
MTE - My thoughts exactly
MYOB -- Mind your own business
M8 -- Mate
NRN -- No reply necessary
NA -- No access
NC -- No comment
NE -- Any
NE1 -- Anyone
NITING -- Anything
No1 -- No one
NP - No problem
nufN -- Nothing
NWO -- No way out
OIC -- Oh, I see
OTOH -- On the other hand
O4U -- Only for you
PITA -- Pain In The A*8
PCM -- Please call me
PCME -- Please call me
PITA -- Pain in the ***
pl& -- Planned
PLS - Please
PLZ 4GV ME - Please forgive me
PML -- Piss Myself Laughing
po$bl -- Possible
PRT -- Party
PRW -- Parents are watching
PTB -- Please Text Back
PUKS -- Pick Up Kids
QPSA? -- Que pasa? (what's happening?)
QT -- Cutie
R -- Are
RGDS -- Regards
RINGL8 -- Running Late
RLR -- Earlier
RMB -- Ring my bell
ROFL -- Rolling on the floor laughing
ROFLOL -- Rolling on the floor laughing out loud
ROTFLMAO -- Rolling on the floor laughing my *** off
ROTG -- Rolling on the ground
ROTGLMAO -- Rolling on the ground laughing my *** off
RTFM -- Read the flaming manual
RU -- Are you
RU? -- Are you?
RU CMNG -- Are You coming
RUOK -- Are You OK?
SC -- Stay cool
SETE -- Smiling ear to ear
SHLM -- Shalom
shopN -- Shopping
SK8 -- Skate
SO -- Significant other
SOL -- Sooner or later
SOL -- Sh_t out of luck
SME1 -- Someone
SPK -- Speak
SPK 2 U L8R -- Speak to you later
SRY -- Sorry
STATS -- Your sex and age
SWALK -- Sent with a loving kiss
SWATK - Sent/Sealed with a tender kiss
SWG -- Scientific wild guess
T+ -- Think positive
TDTU -- Totally devoted to you
Thx -- Thanks
TIC -- Tongue in Cheek
Tks -- Thanks
TMIY -- Take me I'm yours
THNQ -- Thank you
TIA -- Thanks in advance
TLA -- Three letter acronym
TTFN -- Ta ta for now.
TTYL -- Talk to you later
TUL -- Tell you later
T2Go -- Time to go
T2ul -- Talk to you later
U -- You
U2 -- You too
UI! -- You Idiot!
UR -- You are
uvbnsmuchd -- You've been smooched
URT1 -- You are the one
UR TH WKEST LNK GDBY -- You are the weakest link goodbye
UR4Me - You are for me
U4E - Yours forever
VRI -- Very
W@ -- What
W8N -- waiting
WAN2 -- Want to
Wan2 C a moV? -- Want to see a movie?
WAN2 :-* -- Want to kiss?
WB -- Welcome Back
WLUMRy -- Me will you marry me?
WOT -- What
WRT -- With respect to
WRU -- Where are you?
WTF -- What the heck?
WTH -- What The Hell
WTG -- Way To Go!
WTMPI -- Way To Much Personal Information
WUF -- Where Are You From?
WUWH -- Wish you were here
W4u -- Waiting for you
W8 -- Wait
W84M -- Wait for me
X! -- Typical woman
X -- Kiss
XO -- Kiss and a hug
XclusvlyUrs -- Exclusively yours
XLNT -- Excellent
Y -- Why?
Y! -- Typical Man
YBS -- You’ll be Sorry
YGM-- You got mail
YR – Your
Z -- the (affected, as in "what's zee time?")
ZZZZZ – Sleeping
10Q -- Thank You
1DAY -- One day
1ON1 -- One on one
1NC -- Once
2 -- To/Two/Too
2DAY -- Today
2bctnd -- To be continued.
2d4 -- To die for
2g4u -- To good for you
2Ht2Hndl-- Too hot to handle.
2l8 -- Too late
2MORO -- Tomorrow
2NITE -- Tonight
2WIMC -- To whom it may concern
3sum -- Threesome
3 8 1 -- Three words, eight letters, one meaning (I Love You)
4 -- For
4e -- Forever
4gv -- Forgive
4gvn -- Forgiven
4yeo -- For your eyes only
7K - Sick
8 - Ate
8ball - Eightball
911 -- Emergency, call me