| Abbreviation | Definition |
|---|---|
| FTR | Free The Radical |
| FTR | Frogg Town Rifa |
| FTRA | Fast Toys Ram Air |
| FTRB | Fétih Temmo w Rékhé Baydo |
| FTZ | Five Ton Zergling |
| FU | Fluffy Unicorn |
| FU | Frag University |
| FU | Funky Underpants |
| FU | Funny Uncle |
| FUBAHOR | Fouled Up Beyond All Hope Of Recovery |
| FUBAR | Food Used By All Races |
| FUBAR | Fouled Up Beyond All Reality |
| FUBAR | Fouled Up Beyond All Reason |
| FUBAR | Fouled Up Beyond All Recall |
| FUBAR | Fouled Up Beyond All Recovery |
| FUBAR | Fouled Up Beyond All Repair |
| FUBAR | Fouled Up Beyond Any Recognition |
| FUBAR | Fouled Up But All Right |
| FUBR | Fukked Up Beyond Recognition |
| FUBU | Farmers Used to Buy Us |