| B | Back (chat) | |
| PATL | Parent Around Talk Later (chat) | |
| GF | Girlfriend (chat) | |
|
| PC | Private Chat (IRC) | |
| IRC | Internet Relay Chat | |
| TO | Take Over (Internet Relay Chat) | |
| BC | Because (chat) | |
| AWA | As Well As (internet chat lingo) | |
| OMG | Oh My God (chat) | |
| G | Grin (used in chat and email) | |
| TF | Too Far (chat slang) | |
| IC | I See (chat code) | |
| PRY | Probably (chat slang) | |
|
| P2P | Person to Person (chat) | |
| LG | Liebe Grüße (german chat closing like "cheers" or "CU") | |
| GA | Go Ahead (used in chat) | |
| BW | Being Watched (chat) | |
| CU | See You (chat) | |
| NW | No Way (chat) | |
| ICR | Internet Relay Chat (protocol) | |
| PH | People Here (chat) | |
| DB | Don't Bother (chat slang) | |
| KUL | Cool (chat) | |
| CADG | Chat About Depression Glass (web forum) | |
| GC | General Chat (website) | |
| RUFR | Are You for Real (Internet chat) | |
| TS2 | Teamspeak 2 (voice chat software) | |
| KK | Okay (online chat) | |
| ADDY | Adult (online chat) | |
| DN | Display Name (internet chat) | |
| NW | No Worries (chat) | |
| WLD | Would (chat/slang) | |
| C-P | Sleepy (chat) | |
| GO | Got Owned (gaming chat) | |
| 886 | Bye Bye (Chinese internet chat) | |
| TTYL | Talk To You Later (chat) | |
| WB | Welcome Back (chat) | |
| BFF | Best Friends Forever (chat) | |
| DP | Display Picture (internet chat) | |
| JAM | Just A Minute (chat) | |
| BS | Big Smile (Internet chat) | |
| BRB | Be Right Back (chat/slang) | |
| NFG | Not for Good (Internet chat) | |
| NC | Nature Calls (chat) | |
| BCF | Bike Chat Forums (UK) | |
| ROTFL | Rolling On The Floor Laughing (chat) | |
| BL | Bad Luck (chat) | |
| SOL | Shout Out Loud (internet chat) | |
| IMC | Instant Messaging and Chat (software) | |
| DIN | Do It Now (gaming/chat) | |
| SM1 | Someone (chat) | |
| AL | Age Location (Internet chat) | |
| CTO | Check This Out (chat) | |
| F/O | Fictional Other (online chat) | |
| MML | Made Me Laugh (chat) | |
| ITC | In the Chat | |
| BBS | Be Back Soon (chat) | |
| CUL | See You Later (chat) | |
| RTF | Request the Floor (multi-person online chats) | |
| JMO | Just My Opinion (chat) | |
| CWYL | Chat With You Later | |
| DTC | Dans Ton Chat (French quote forum) | |
| LNC | Late Night Chat | |
| ETG | Enter the Game (gaming chat network) | |
| OTP | On the Phone (chat) | |
| A/S/L | Age/Sex/Location (often used in chat) | |
| IRCD | Internet Relay Chat Daemon | |
| MUC | Multi User Chat | |
| ASL | Age/Sex/Location? (chat) | |
| CC | Cyber Chat (RPG chat server) | |
| CDC | Cri Du Chat (syndrome) | |
| CC | Clan Chat (Runescape gaming) | |
| CUS | See You Soon (chat) | |
| UTI | Under the Impression (chat) | |
| MTV | Mess TV (Norwegian chat TV show | |
| PC | Personal Chat | |
| POS | Parent(s) Over Shoulder (chat) | |
| TTL | Talk to You Later (text and chat slang; more commonly seen as TTYL) | |
| 404 | I Have No Clue (chat abbreviation) | |
| GOI | Get Over It (chat) | |
| HC | Habbo Club (chat site) | |
| CUL8R | See You Later (chat) | |
| DTC | Down to Chat | |
| RDHC | Real Deal Hunting Chat | |
| CNC | Coffee and Chat (various organizations) | |
| WUD | What You Doing (chat) | |
| WFM | Works For Me (chat) | |
| ISNUP | It Serves No Useful Purpose (chat slang) | |
| GGG | Giggle (email, USENET, chat slang) | |
| M0 | Moron (chat slang) | |
| CAF | Chats and Forums | |
| GTC | Going to Conceive (pregnancy chat) | |
| HH | Habbo Hotel (online chat) | |
| IRDK | I Really Don't Know (chat) | |
| HAK | Hugs And kisses (chat) | |
| CP | Chat Post | |
| TC | TinyChat (Internet chat system) | |
| CU L8R | See You Later (chat) | |
| BRT | Be Right There (chat) | |
| RW | Roger Wilco (voice chat over IP) | |
| CLT | Currently Listening To (chat) | |
| MUVE | Multi User Virtual Environment (Online Chat) | |
| IRCP | Internet Relay Chat Protocol (teleconferencing) | |
| CG | Chat Group (Dark Age of Camelot online game) | |
| NFC | No Further Comment (chat) | |
| RUOK | Are You OK? (chat) | |
| COG | Caught Off Guard (chat/email) | |
| ynt | why not? (chat/SMS) | |
| BIF | Best Internet Friend (chat slang) | |
| OTF | On the Phone (chat) | |
| IHN | I Hate Newbies (chat slang) | |
| FAWC | For Anyone Who Cares (chat slang) | |
| FISG | Fast IRC (Internet Relay Chat) Statistics Generator | |
| FACCO | Fabricants d'Aliments Préparés pour Chiens, Chats, Oiseaux (French: Manufacturers of Prepared Foods for Dogs, Cats, Birds) | |
| ChanOp | Channel Operator (IRC and chat servers) | |
| TGCN | The Global Chat Network | |
| ALICE | Artificial Linguistic Internet Computer Entity (natural language artificial intelligence chat robot) | |
| HRY | How Are You (internet chat/texting) | |
| P911 | Parent alert (chat) | |
| :-( | Sad/Frown (email & chat) | |
| CCC | Comité contre les Chats (French: Committee against Cats) | |
| JC | Just Chatting | |
| BRB | Bathroom Break (chat) | |
| UCAP | Up Close and Personal (internet chat) | |
| AAS | Alive and Smiling (internet chat) | |
| TCZ | The Chatting Zone | |
| 2U2 | To You Too (chat) | |
| WTB | Wouldn't That Be (Internet chat) | |
| XLG | Extra Large Grin (chat slang) | |
| RME | Rolling My Eyes (internet chat) | |
| KPCS | Kevin Pollak's Chat Show (online talk show) | |
| WT | Wrong Tell (gaming chat) | |
| COC | Chamber of Chat (Harry Potter fan site) | |
| H2CUS | Hope To See You Soon (chat) | |
| CUL | Catch You Later (chat) | |
| HAN | How About No? (chat) | |
| MUCK | Multi User Chat Kingdom (gaming) | |
| CU2 | See You Too (chat) | |
| FCF | Ferrari Chat France (French forum) | |
| MUSM | Miss You So Much (chat) | |
| D&R | Duck and Run (internet chat) | |
| WTF | Wow, That's Fantastic (chat slang) | |
| CUL8ER | See You Later (chat) | |
| SIK | Someone I Know (chat slang) | |
| AFAP | As Far As Possible (chat) | |
| WYRN | What's Your Real Name? (chat) | |
| GIAR | Give It A Rest (chat) | |
| HMO | Hear Me Out (chat) | |
| IRCG | Internet Relay Chat Gateway | |
| TTYL | Type To You Later (chat) | |
| PITR | Parent in the Room (internet chat) | |
| FNWJR | Friday Night with Jonathan Ross (English chat show) | |
| PAC | Parents Are Coming (IM/chat) | |
| WFM | Wait for Me (chat) | |
| NVM | Not Very Much (chat) | |
| 2MI | Too Much Information (chat) | |
| ESOSL | Endless Snorts of Stupid Laughter (chat) | |
| LMIRL | Lets Meet in Real Life (chat) | |
| BP | BuddyProfile (AIM chat) | |
| UGTBK | You've Got to Be Kidding (chat) | |
| HTH | Have to Hurry (internet chat) | |
| NVRM | Nevermind (chat slang) | |
| L2M | Listening to Music (internet chat) | |
| CL | Chat Life | |
| PIR | Parents In Room (chat) | |
| NTM | New to Me (chat slang) | |
| MOW | Maennlich Oder Weiblich (German chat: boy or girl) | |
| AACAS | Association des Amis des Chats Abyssins et Somalis (French cat lovers' association) | |
| HELP | Her Ever Loving Presence (Alcoholics Anonymous chat slang) | |
| FBC | Facebook Chat | |
| RPC | Role Playing Chat | |
| ISJ | Inside Joke (internet chat) | |
| CTC | Care to Chat? | |
| VA | Verbal Area (audio/video chat software) | |
| TTGTB | Time to Go to Bed (chat) | |
| BBB | Baby Boomer Bistro (chat site) | |
| WC | Wrong Chat | |
| SNC | Secure Network Chat (text chat solution) | |
| GAYS | Go Ask Your Sponsor (Alcoholics Anonymous chat slang) | |
| N2G | Need to Go (chat) | |
| PBF | Play Boyfriend (Internet chat) | |
| SAW | Siblings Are Watching (chat) | |
| TIAS | Try It and See (chat) | |
| CUL8TR | See You Later (chat) | |
| MMFU | My Mate Fancies You (chat slang) | |
| SIA | Sorry I Asked (chat) | |
| T2G | Time To Go (chat) | |
| SOS | Sibling Over Shoulder (chat) | |
| HELP | Hope, Encouragement, Love and Patience (Alcoholics Anonymous chat slang) | |
| BOL | Be On Later (chat) | |
| TTYL8R | Talk to You Later (chat) | |
| ICE | Internet Chat Exchange | |
| TOS | Teacher Over Shoulder (chat) | |
| HALT | Honestly, Actively, Lovingly Tolerant (Alcoholics Anonymous chat slang) | |
| MIRC | Microsoft Internet Relay Chat (real-time messaging) | |
| SOS | Some One Special (chat) | |
| LSKOL | Long Slow Kiss on the Lips (band and chat lingo) | |
| N2B | Not Too Bad (internet chat) | |
| YIWGP | Yes, I Will Go Private (online chat) | |
| NPNC | No Pic No Chat (Internet slang) | |