I see almost on every thread stuff like "ROFLMAO" and many other that I do not understand. Can someone please post what they mean? I am sorry if I sound naive or something but it is getting annoying when I see them and have no clue what they try to say especially if this is the only thing they write.
thank you

Rolling on the floor laughing my ass off.
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Rolling On The Floor Laughing My Ass Off

There's always Google:  "define: ROFLMAO" results in:
"FlyerTalk lingo meaning "Rolling On The Floor Laughing My A$$ Off"
www.flyertalk.com/glossary/

This is an acronym for rolling on the floor laughing my ass off
www.ratedhot.com/define/chatdefinitions.php

Internet slang consists of slang that users of the Internet have developed and utilized. Many of its terms originated with the purpose of saving keystrokes, (for example, "u" for "you", "r" for "are", "4" for "for", etc.) as a result many use the same abbreviations in text messages (see txt). The terms often appear in lower case, with capitals often reserved for emphasis — the pronoun "I", for example, often appears simply as "i".
en.wikipedia.org/wiki/Roflmao"

Thank you. But there are also others...I dont remember them because I dont use them but I am sure you know of them...can you please tell me more

hmm....
LOL= laugh out loud
np= no problem
wtf= what the fuck

what others?

w/e = whatever
POS = piece of shit
TTYL = talk to you later
OIJSOMN = ouch I just sat on my nuts

IIRC = If I Remember Correctly
I/R = In Real Life

Ok you asked so here you go :p

A
AFAIK = As far as I know
AFK = Away from computer keyboard
AIM = AOL Instant Messenger
ASAP = As soon as possible
A/S/L = Age/Sex/Location
ATM  = At the moment

B
B = Back
BBS = Be back soon
BC = Because
BCNU = Be Seein' You
BFN = Bye for now
BG = Big grin
BICBW = But I could be wrong
BMG = Be my guest
BRB = Be right back
BTA = But then again
BTW = By the way

C
CFN =  Ciao for now
CID = Consider it done
CUL or CUL8R = See you later

D
DYOH = Do your own homework
DQMOT = Don't quote me on this

E
EOM = End of message

F
FAQ =  Frequently asked questions
FWIW = For what it's worth
FYI = For your information
FU = Fu*k You

G
GL = Good luck
GMTA = Great minds think alike
GRA = Go right ahead
GW = Good work
GWC = Guy With Camera or Girl With Camera

H
HT = Hi there
HTH = Hope this helps

I
IAC = In any case
IAE = In any event
IDK = I don't know
IIRC = If I recall correctly
IM = Instant message
IMHO = In my humble opinion
IMO = In my opinion
IMPOV = In my point of view
IMS = I am sorry
IOW = In other words



J
JIC = Just in case
JK = Just kidding
JTLYK =Just to let you know

K
K = Okay
KIS = Keep it simple
KMA = Kiss my ass
KMFA = Kiss my fu**ing ass


L
L8R = Later
LOL = Laughing out loud




N
NBD = No big deal
NP = No problem
NRN = No response necessary

O
OH = Off Hand
OIC = Oh I see
OTOH = On the other hand
OTP = On the phone

P
PLS = Please
PLZ = Please
POC = Point of contact
POV = Point of view

R
ROTFL = Rolling on the floor laughing
ROTFLMAO = Rolling on the floor laughing my ass off
ROTFLMBO = Rolling on the floor laughing my butt off
ROTFLMFAO = Rolling on the floor laughing my Fu**ing ass off
RSN = Real soon now
RUOK? = Are you okay?

S
SYS = See you soon


T
TAFN = That's all for now
TBA = To be announced
TBH = To be honest
THX = Thanks
TIA = Thanks in advance
TTFN = Ta ta for now
TTYL = Talk to you later

W
WB = Welcome back
WFM = Works for me
WTG = Way to go
WU? = What's up?
WTF = What the Fu*k

Y
YT? = You there?
YW = You are welcome

TAFN, TTYL