ASAP: As soon as possible 尽快 
BF: Boyfriend 男朋友 
GF: girlfriend 女朋友 
Gg ： 帅哥 
Mm ：美女 
BTW: By the way 随便说一下 
BBL: Be back later 稍后回来 
BRB: Be right back 很快回来 
CU: See you 再见 
CUL: See you later 下次再会 
FTF: Face to face 面对面 
IAE: In any event 无论如何 
IC: I see 我明白 
IMO: In my opinion 依我所见 
IOW: In other words 换句话说 
LOL: laughing out loudly 大声笑 
NRN: No reply necessary 不必回信 
2B or not 2B: To Be Or Not To Be 生存与死亡 
4ever :Forever 永远 
A/S/L : Age/Sex/Location 年龄 / 性别 / 地点 
AFAIC : As Far As I'm Concerned 据我所知 ... 
AFAIK : As Far As I Know 据我所知 ... 
AFK : Away From Keyboard 暂时离开 
B4N : Bye For Now 再见 
BBIAB : Be Back In A Bit / BBIAF :Be Back In A Few / BBL :Be Back Later 一会见 
BBN : Bye Bye Now / BCNU :Be Seein' You 再见