| Abbreveation | | description |
| TTYL | | Talk To You Later |
| TTFN | | Ta-Ta For Now! |
| TB | | Text Back |
| TMB | | Text Me Back |
| THX | | Thank You |
| 10Q | | Thank You |
| TTTT | | To Tell The Truth |
| DA | | the |
| THANQ | | thank you |
| TXT BAC | | text back |
| TYVM | | thank you very much |
| 2DAY | | today |
| 2MOR | | tomorrow |
| 2NITE | | tonight |
| 26Y4U | | too sexy for you |
| T+ | | Think positive |
| TMIY | | Take me Im yours |
| 2 | | to, two |
| TWT | | Twat! |
| TW | | Team Work |
| TNTLLAC | | Try Not To Look Like A Cock |
| THX40 | | Thanks For Nothing |
| TDTM | | Talk dirty to me |
| 2BONO | | To be or not to be |
| 2U2 | | To you, too |
| TAFN | | That's all for now |
| TAH | | Take a hike |
| TARFU | | Things are really fucked up |
| TBA | | To be advised |
| TBC | | To be continued |
| TEOTWAWK | | The end of the world as we know it |
| TFH | | Thread from hell |
| TFN | | Thanks for nothing or Till further notice |
| THNX 1.0 | | Thanks a million |
| THX, THN | | Thanks |
| TIA | | Thanks in advance |
| TIAIL | | Think I am in love |
| TIC | | Tongue in cheek |
| TLA | | Three letter acronym |
| TLGO | | The list goes on |
| TM | | Trust me |
| TMA | | Too many acronyms |
| TMFA | | Too many fucking acronyms |
| TMI | | Too much information |
| TMK | | To my knowledge |
| TMTOWTDI | | There's more than one way to do it |
| TNA | | Temporarily not available |
| TOM | | Tomorrow |
| TOS | | Terms of service |
| TPC | | The phone company |
| TPTB | | The powers that be |
| TSR | | Totally stuck in ram |
| TSWC | | Tell someone who cares |
| TTBOMK | | To the best of my knowledge |
| TTT | | That's the ticket or to the top |
| TTWIG | | That's the way it goes |
| TTYL8R | | Talk to you later |
| TWIMC | | To whom it may concern |
| TY | | Thank you |
| PU | | That Stinks |
| TAS | | Taking A Shower |
| TCB | | The Trouble Came Back! |
| TDM | | Too Darn Many |
| TFDS | | That is For Darn Sure |
| TGIF | | Thank God it Is Friday |
| THX or T | | Thanks |
| TLK2UL | | Talk to You Later |
| TNC | | Tongue In Cheek |
| TNX | | Thanks |
| TOT | | Tons of Time |
| TP | | Team Player |
| TTG | | Time to Go |
| TTS | | Text to Speech |
| TTUL | | Talk to You Later |
| TVN | | Thank You Very Much |
| TXS | | Thanks |
| 3 | | Three |
| 10 | | Ten |
| tbh | | To Be Honest |
| 2n8 | | Two and Eight (Right Old State) |
| HACK | | To use something not in its intended manner. |
| tfr | | Thanks For Reading |