* "BRB" - be right back
* "TTYL" - talk to you later
* "IDK" - I don't know
* "IKR" - I know, right?
* "SRSLY" - seriously
* "OMG" - oh my gosh
* "LOL" - laugh out loud
* "ROFL" - rolling on the floor laughing
* "LMAO" - laughing my ass off
* "WTF" - what the heck
* "LMK" - let me know
* "ASAP" - as soon as possible
* "FYI" - for your information
* "IMHO" - in my humble opinion
* "BTW" - by the way
* "GTG" - got to go
* "NP" - no problem