| Acronym | Definition |
| TUC | The Ultimate Chatlist! |
| AFK | Away from keyboard |
| AKA | Also know as |
| AOL | America On Line |
| ASAP | As soon as possible |
| ATM | At the moment |
| B4 | Before |
| BAK | Back at keyboard |
| BBL | Be back later |
| BCNU | Be seeing you |
| BFH | Big f---ing hammer |
| BFN | Bye for now |
| BRB | Be right back |
| BTSOOM | Beats the s--- out of me |
| BTTH | Boot to the head |
| BTW | By the way |
| BYOH | Bat you onna head |
| CFV | Call for votes |
| CU | See you |
| CUL | See you later |
| CUL8R | See you later |
| DFL | Dead f---ing last |
| DYJHIW | Don't you just hate it when... |
| eg | Evil grin |
| ETLA | Extended three letter acronym |
| F2F | Face to face (also meeting in person) |
| FAQ | Frequently asked questions |
| FUBAR | F---ed up beyone all recognition |
| FWIW | For what it's worth |
| FYA | For your amusement |
| FYI | For your information |
| g | Grin |
| GA | Go ahead |
| gbh | Great back hug |
| gbh&k | Great back hug & kiss |
| gr&d | Grinning, running & ducking |
| h | Hug |
| hb | Hug back |
| hh | Holding hands |
| HHOJ | Ha ha only joking |
| HHOK | Ha ha only kidding |
| HHOS | Ha ha only serious |
| HIWTH | Hate it when that happens |
| IAE | In any event |
| IANAL | I am not a lawyer |
| IDK | I don't know |
| IMHO | In my humble opinion |
| IMnerHO | In my not even remotely humble opinion |
| IMnsHO | In my not so humble opinion |
| IMO | In my opinion |
| IOW | In other words |
| IRL | In real life |
| IYKWIM | If you know what I mean |
| JASE | Just another system error |
| J/K | Just kidding (can also stand for joking) |
| k | Kiss |
| kb | Kiss back |
| kotc | Kiss on the cheek |
| l8r | Later |
| l | Laugh |
| li | Laughing inside |
| lis | Laughing in silence |
| lmao | Laughing my ass off |
| lmbo | Laughing my butt off |
| lol | Laugh out loud |
| MORF | Male or female |
| MOTAS | Members of the appropriate sex |
| MOTOS | Members of the opposite sex |
| MOTSS | Members of the same sex |
| NFW | No f---ing way |
| NIFOC | Naked/Nekkid in front of computer |
| NRN | No reply necessary |
| OBTW | Oh, by the way |
| OIC | Oh I see |
| OT | Off topic |
| OTOH | On the other hand |
| OTTH | On the third hand |
| PD | Public domain |
| PITA | Pain in the ass |
| PMJI | Pardon me, Jumping in (when you interrupt a conversation) |
| PMFJI | Pardon me for jumping in (same as above) |
| potc | Peck on the cheek |
| POETS | Piss of early tomorrows Saturday |
| rehi | Hello again |
| RFD | Request for discussion |
| rofl | Roll on the floor laughing |
| rotfl | Roll on the floor laughing |
| rotflmao | Roll on the floor laughing my ass off |
| RSN | Real soon now |
| RTFM | Read the f---ing manual |
| SITD | Still in the dark |
| s | Smile |
| sb | Smiles back |
| SHIT | Sure happy it's Thursday |
| SNAFU | Situation normal, all f---ed up |
| SO | Significant other |
| SOL | S--- outta luck |
| SOS | Same old s--- (or stuff) |
| SSDD | Same s--- different day |
| SW | Shareware |
| SWWCFI | So what, who cares, f--- it |
| SYL | See you later |
| TANSTAAFL | There ain't no such thing as a free lunch |
| TARFU | Things are really f---ed up |
| TGIF | Thank God it's Friday |
| TIA | Thanks in advance |
| tic | Tongue in cheek |
| TID | Thread is deteriating (OT) |
| TLA | Three letter acronym |
| TNX 1.0E6 | Thanks a million |
| TNX | Thanks |
| TTFN | Ta-ta for now |
| TTYL | Talk to you later |
| veg | Very evil grin |
| ves | Very evil smile |
| vwg | Very wicked grin |
| vws | Very wicked smile |
| w | Wink |
| wg | Wicked grin |
| WRT | With regard to (also with respect to) |
| WTH | What the hell |
| WTHDTM | What the hell does that mean |
| WYSIWYG | What you see is what you get |
| YKYBHTLW | You know you've been hacking too long when... |
| YMMV | Your mileage may vary |
| YMMVG | Your mileage may vary greatly |