| Abbreviation | Definition |
|---|---|
| FRED | Frederick |
| frisco | San Francisco |
| FRNWTR | Franchetti Walter |
| FRP | Four Real People |
| FRP | Four real people; 'eenie' 'meeenie' 'myneeeee' 'mowe |
| FSDA | Formal Society District Attornies |
| FSDA | Formal Society District Attornies |
| FT | Furry Terrorist |
| FTB | For The Boys |
| FTF | Frank The Fireman |
| FX | Francis Xavier |
| FZ | FayaZ |
| G | Garrett |
| G | Gavin |
| G | Geoff |
| G | Glenn |
| G | Gomer |
| GA | George Albert |
| GA | George Alford |
| GA | Georgia Ann |