Hundreds of short expressions and jargon have spawned as a result of the instanteous nature of mobile internet. The following is just a sample of common lingo and texting acronymns in use:
asl: your age/ sex/location? ASL is an abrupt question common in online chat environments. There is significant subtext when someone asks 'asl'. Be warned: when someone uses 'asl', it often means that they are trying to quickly assess a person as a potential object of flirtation.
bbiab: be back in a bit is another way of saying AFK (away from keyboard) when in the middle of an instant messaging conversation.
bisly: but I still love you is used as playful affection, often during online arguments or debates.
brb: be right back
f2f: face to face
g2g/gtg: got to go
h/o: hang on
h&k: hugs and kisses
HMU: hit me up is an acronym used to say "contact me", "text me" or "phone me"
idk: I don't know
ilu/ily: I love you
ipn: I'm posting naked
iwalu: I will always love you
jk/jks: just kidding/jokes
kk: ok cool
kotl: kiss on the lips
kpc: keep parents clueless
ldr: long distance relationship
lmirl: let's meet in real life
lol: laughing out loud
nifoc: naked in front of computer
noob: new individual
np: nosy parents
nvm: never mind
omg: oh my god
paw: parents are watching
pm: private message
pos/pots: parents over the shoulder (parents watching, I can't talk)
rofl: rolling on the floor, laughing
Sexting: (a combination of sex and texting) is the act of sending, receiving or forwarding suggestive test messaging with nude or nearly-nude photos, primarily between mobile phones.
somy?: sick of me yet?
SUP: what's up? is a common greeting
toy: thinking of you
ttyl: talk to you later
ty: thank you
ud: you would
ur: you are
wdymbt: what do you mean by that?
wtgp?: want to go private?
wuf?: where are you from?
yw: you're welcome
@@@ is used to indicate "warning of parents nearby"
:*( is a character set or 'emoticon' used to express crying
<3 is a heart
Canadian Centre for Child Protection: Kids in the Know, http://www.kidsintheknow.ca
and The Door that's not Locked, http://thedoorthatsnotlocked.ca
Gil, Paul. Texting Abreviations, 2012, about.com Guide, http://netforbeginners.about.com/od/internetglossary/tp/The-Top-Text-Message-Acronyms-of-2011.03.htm