| Abbreviation | Definition |
|---|---|
| FDE | Future Death Eater |
| FDGB | Fall Down Go Boom |
| FDI | Frogs Did It |
| FDK | Four Dumb Kids |
| FDL | Funny Dancing Lemons |
| FDNY | Funny Dude Now Yawning |
| FDR | Fat, Dumb, and Rude |
| FDR | Fodder's Dangerous Rebels |
| FDR | Franklin Delano Romanowsky |
| FDS | Fluffy Duck Syndrome |
| FE | Ford Eliminator |
| FEAR | Forget Everything And Run |
| FEAR | Frustration, Ego, Anxiety, Resentment |
| FEI | Fatuous Egotistic Individuals |
| FEM | Front End Mini |
| FEMA | Female Emergency Menopause Agency |
| FEMA | Free Easy Money Available |
| FEOU | Forever Ether Other Uses |
| FERRARI | From Extra Rusty Rubbish And Rude Italians |
| FF | Faith Field |