1）imho, imo（in my humble opinion, in my opinion）：在我看来，常见于论坛。
2）idk（I don't know）：我不知道。
3）thx（thanks）：谢谢。按照发音来看，thanks字尾的ks可以用字母X代替。（这个我倒是早就知道了，和在秦苏珊托福班的同学经常这么发，当然还有一种常用的是3Q，不知是不是中国人自创的，呵呵）
4）plz（please）：请。please 字尾是z 音，所以按照读音缩写为plz。
5）lmao（laughing my arse/ass off）：笑死我了。遇到真正搞笑的事，可以这么说，不过有点粗俗。
6）rofl（rolling on the floor laughing）：笑到摔到地上
7）roflmao（rolling on the floor laughing my ass of）：前两个的结合版，也就是超级搞笑的意思。
8）lol（laugh out loud）：大声地笑。这个缩写已经快被用烂了但我还是……不知道（汗……）
9）brb（be right back）：很快回来。也就是I'll be right back 或I'm gonna be right back的简写。
10）jk（just kidding）：开玩笑，别当真。
11）ttyl（talk to you later）：下次再说。
12）g2g（got to go）：要走了。原句是I've got to go。
13）btw（by the way）：这个大多数人都会用，就是“顺便再说一句”的意思。
14）4ever = forever
15）B4 = Before
16）Cam = Web Camera
17）CIAO = Goodbye （in Italian）
18）CID = Consider It Done
19）CIO = Check It Out
20）CSL = Can't Stop Laughing
21）F2F/FTF = Face To Face
22）IDKY = I Don't Know You
23）IDST = I Didn't Say That
24）IDTS = I Don't Think So
25）IFAB = I Found A Bug
26）IFU = I Fed Up
27）IGGP = I Gotta Go Pee
28）IIIO = Intel Inside, Idiot Outside
29）IIMAD = If It Makes An（y） Difference
30）IIRC = If I Remember Correctly
31）IIWM = If It Were Me
32）Y = Why
33）Ya = You
34）YA = Yet Another
35）YAFIYGI = You Asked For It You Got It
36）YDKM = You Don't Know Me
37）Yep/Yup = Yes
38）YGBK = You Gotta Be Kiddin'
39）YMMV = Your Mileage May Vary
40）YNK = You Never Know
41）YOYO = You're On Your Own
42）YR = Yeah, Right
43）YSYD = Yeah, Sure You Do
44）YTTT = You Telling The Truth?
45）YYSSW = Yeah Yeah Sure Sure Whatever
1ce once
2 to
26y4u too sexy for you
2day today
2mor tomorrow
2moro tomorrow
2morrow tomorrow
2nite tonight
3sum threesome
4 for
911 emergency - call me
add address
afaik as far as i know
agreemt agreement
aka also known as
asap as soon as possible
atb all the best
ayor at your own risk
b be
b/c because
b4 before
b4n or bfn bye for now
bbl be back late(r)
bcnu be seeing you
b'day birthday
bhl8 be home late
bil boss is listening
brb be right back
btdt been there done that
btw by the way
buzz off buzz off
c see
cid consider it done
cmi call me
coz because
ctr center
cu see you
cu @ see you around
cub l8r call you back later
cul see you later
cul8tr see you later
cuz because
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
d or de the
da the
don doing
dylm do you like me
ez easy
f2f face to face
f2t free to talk
fotflol falling on the floor, laughing out loud
fyi for your infromation
gal get a life
gr8 great
grt great
gtg got to go
gudluk good luck
h8 hate
hak hugs and kisses
hand have a nice day
hot4u hot for you
how r u how are you
hp handphone
ic i see
iluvu i love you
im2gud4u i'm too good for you
imho in my humble opinion
imnsho in my not so humble opinion
imtng in meeting
iyq i like you
j/k or jk just kidding
jhb johannesburg
jic just in case
jk just kdding
k okay
kit keep in touch
kwim know what i mean
l8 late
l8er later
l8r later
landing l&n
ldn london
lol laughing out loud or loads of love
luv love
lv love
lying lyn
m8 mate
mgmt management
mmfu my mate fancies you
mob mobile
msg message
msia malaysia
mtfbwu may the force be with you
mtg meeting
mth month
myob mind your own business
n and
n case in case
n/a not applicable
ne any
ne1 anyone
nethng anything
niting anything
no1 no one
nothing nufn
np no problem
nvm never mind
oic oh, i see
omg oh, my god
paw parents are watching
pcm please call me
pcme please call me
planned pl&
pls please
plz please
plz 4gv me please forgive me
po$bl possible
ppl people
prl parents are listening
puks pick up kids
r are
rgds regards
ringl8 running late
rtfm read the flippin' manual
ru are you
ru cmng are you coming
ru ok are you ok?
ruok are you okay?
shopping shopn
sit stay in touch
soz sorry
spk speak
stfu shut the flip up
sum1 someone
tel telephone
thanq thank you
thkq thank you
thx thanks
tmb text me back
tq thank you
ttyl talk to you
tx thanks
txt bac text back
tyvm thank you very much
u you
ur your
ura* you are a star
uraqt you are a cutie
w/ with
w/o without
w8 wait
w84m wait for me
waiting w8n
wan2 want to
wan2tlk want to talk?
wbs with
wearing a walkman
wel well
wiv write back soon
wknd weekend
wot what
wru where are you?
wu what's up?
wud? what you doing
wygowm will you go out with me
x kiss
xlnt excellent
xoxox hugs and kisses
y why
yr your
yyssw yeah yeah sure sure whatever
参考资料：http://tieba.baidu.com/f?kz=841100684