| Abbreviation | Definition |
|---|---|
| TTFN | a Ta For Now |
| TTFN | Ta Ta For Now |
| TTFN | Take This For Now |
| TTFN | Ta-Ta For Now |
| TTFN | Time To Finish Now |
| TTFN | Totally Totally Fun Now |
| TTFO | Trip The f*** Out |
| TTFSM | Thank The Flying Spaghetti Monster |
| TTFT | That's The F***en Truth |
| TTGN | Time To Get Naked |
| TTID | Titter Til I Die |
| TTIUWG | This Thread Is Useless Without Graphs |
| TTIWWOP | This Thread Is Worthless With Out Pictures |
| TTKA | Time To Kick A** |
| TTKSF | Trying To Keep a Straight Face |
| TTLF | Tripping The Light Fantastic |
| TTLY | This Time Last Year |
| TTLY | Totally |
| TTLYLY | Talk To You Later Love You |
| TTM | Talk To Me |