| AFK | Away From Keyboard |
| ASL? | Age? Sex? Location? |
| B4 | Before |
| BAK | Back At Keyboard |
| BBL | Be Back Later |
| BCNU | Be seeing you |
| BRB | Be Right Back |
| BTW | By The Way |
| FAQs | Frequently Asked Questions |
| IMHO | In My Humble Opinion |
| L8R | Later |
| LOL | Laughs Out Loud |
| MOF? | Male Or Female? |
| NM or N/M | Never Mind (or Not Much) |
| NP or N/P | No Problem |
| OMG | Oh My God |
| ROFL or ROTFL | Rolling On (The) Floor, Laughing |
| TTFN | Ta Ta For Now |
| UR | Your / You're |
| W/ | With |
| AFAICT | As Far As I Can Tell |
| AFAIK | As Far As I Know |
| AIUI | As I Understand It |
| BST | But Seriously Though |
| BTDT | Been There, Done That |
| CUL | See you Later |
| DWISNWID | Do What I Say, Not What I Do |
| DYJHIW | Don't You Just Hate It When |
| ETLA | Extended Three Letter Acronym |
| F2F | Face to Face |
| FOAF | Friend Of A Friend |
| FWIW | For What It's Worth |
| FYI | For Your Information |
| GA | Go Ahead |
| GAL | Get A Life |
| GIGO | Garbage In, Garbage Out |
| IANAL | I Am Not A Lawyer |
| IIRC | If I Recall Correctly |
| IME | In My Experience |
| IMNSHO | In My Not-So-Humble Opinion |
| IMO | In My Opinion |
| IOW | In Other Words |
| IRL | In Real Life |
| ISTM | It Seems To Me |
| ITRO | In The Region Of |
| IWBNI | It Would Be Nice If |
| IYSWIM | If You See What I Mean |
| JAM | Just A Minute |
| KISS | Keep It Simple, Stupid |
| MOTOS | Member Of The Opposite Sex |
| NALOPKT | Not A Lot Of People Know That |
| OIC | Oh, I See |
| OTOH | On The Other Hand |
| OTT | Over The Top |
| RTFM | Read The F****** Manual |
| RUOK | Are you OK? |
| SITD | Still In The Dark |
| TANSTAAFL | There Ain't No Such Thing As A Free Lunch |
| TIA | Thanks In Advance |
| TIC | Tongue In Cheek |
| TLA | Three Letter Acronym |
| TNX | Thanks |
| TPTB | The Powers That Be |
| TTYL | Talk To You Later |
| TVM | Thanks Very Much |
| WIBNI | Wouldn't It Be Nice If |
| WRT | With Regard To |
| WTH | What The Hell (similarly: WTF) |
| WYSIWYG | What You See Is What You Get |
| YABA | Yet Another Bloody Acronym |
| YHM | You Have Mail |
Nice... I knew something like ½ of them...
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