| Abbreviation | Definition |
|---|---|
| FRSH | FReSH |
| FRY | First Read Yesterday |
| FSE | Funny S*** Ever |
| FSM | Foolishly Spent Money |
| FSR | For Some Reason |
| FSS | F**** Super Sweet |
| FSTC | For S&!+ To Come |
| FSW | Find Someone Who |
| FSW | Forgotten Senshi Webring |
| FT | Face Time |
| FT | FaceTime |
| FT | Faint |
| FT | Favorite Things |
| FT | For This |
| FT | Full of Trash |
| FT | Full Text |
| FTA | First Time At .... |
| FTASB | Faster Than A Speeding Bullet |
| FTB | Filthy Text Bit |
| FTBOMH | From The Bottom Of My Heart |