ASAP: As Soon As Possible
ATM: At The Moment
B4: Before
BRB: Be Right Back
BBL: Be Black Later
BBS: Be Back Soon
BTW: By The Way
FYI: For Your Information
HRU: How Are You?
IMO: In My Opinion
L8R: Later
LOL: Laughing Out Loud
LMAO: Laughing My Ass Off
LMK: Let Me Know
NP: No Problem
PLS: Please
SBY: Somebody
STH: Something
THX: Thanks
TMI: Too Much Information
TTYL: Talk To You Later
WKND: Weekend
WTF: What the fuck?
XOXO: Hugs and kiss