| TA | Thanks Again | |
| TAFN | That's All For Now | |
| TANSTAAFL | There's No Such Thing As A Free Lunch | |
| TARFU | Things Are Really Fubarred Up | |
| TAS | Taking A Shower | |
| TAT | This And That | |
| TAW | Teachers Are Watching | |
| TAY | Thinking About You | |
| TBC | To Be Continued | |
| TBH | To Be Honest | |
| TC | Take Care | |
| TC | That's Cool | |
| TCO | Taken Care Of | |
| TCOB | Taking Care Of Business | |
| TCOOD | Taking Clothes Out Of Dryer | |
| TCOY | Take Care Of Yourself | |
| TCWB | Take Care, Write Back | |
| TDTM | Talk Dirty To Me | |
| TEL | Telephone | |
| TFF | Too Freaking Funny | |
| TFH | Thread From Hell | |
| TFX | Traffic | |
| TG | Thank Goodness | |
| TGIF | Thank Goodness It's Friday | |
| THANQ | Thank You | |
| THKQ | Thank You | |
| THX | Thanks | |
| TIA | Thanks In Advance | |
| TIAIL | I Think I Am In Love | |
| TIC | Tongue In Cheek | |
| TILII | Tell It Like It Is | |
| TITF | That Is Too Funny | |
| TLC | Tender Love And Care | |
| TLK2UL8R | Talk To You Later | |
| TM | Tickle Me | |
| TM | Trademark | |
| TM | Trouble Maker | |
| TM | Trust Me | |
| TMA | Take My Advice | |
| TMB | Tag Me Back | |
| TMI | Too Much Information | |
| TNG | The Next Generation | |
| TNT | Til Next Time | |
| TNX | Thanks | |
| TOD | Truth Or Dare | |
| TOH | The Other Half | |
| T1H | Typing One-Handed | |
| TOM | Tomorrow | |
| TOPCA | Til Our Paths Cross Again | |
| TOS | The Original Series | |
| TOT | Tons Of Time | |
| TOY | Thinking Of You | |
| TPS | That's Pretty Stupid | |
| TPTB | The Powers That Be | |
| TQ | Thank You | |
| TRDMF | Tears Running Down My Face | |
| TSTL | Too Stupid To Live | |
| TTBOMK | To The Best Of My Knowledge | |
| TTFN | Ta Ta For Now | |
| TTG | Time To Go | |
| TTLY | Totally | |
| TTM | Talk To Me | |
| TTT | Thought That Too | |
| TTTT | These Things Take Time | |
| TTYL | Talk To You Later | |
| TTYS | Talk To You Soon | |
| TTYT | Talk To You Tomorrow | |
| TTYVS | Talk To You Very Soon | |
| TU | Thank You | |
| TUI | Turning You In | |
| TUT | Totally Unique Thought | |
| TWHAB | This Won't Hurt A Bit | |
| TWIMC | To Whom It May Concern | |
| TWIT | That's What I Thought | |
| TWIWI | That Was Interesting Wasn't It? | |
| TX | Thanks | |
| TXT | Text | |
| TY | Thank You | |
| TYT | Take Your Time | |
| TYVM | Thank You Very Much | |
| (-: to the Emoticons :-) |
