| Abbreviation | Definition |
|---|---|
| FOG | Friend Of Guys |
| FOG | Full Of Garbage |
| FOGO | Fear Of Going Out |
| FOH | F*** Out of Here |
| FOH | F*** Outta Here |
| FOI | Full Of It |
| FOIL | Forum Of Indian Leftists |
| FOL | F*** Our Lives |
| FOLO | Fear Of Leaving On |
| FOLO | Fear Of Losing Out |
| FOLO | For Love |
| FOMAL | Fell On My A** Laughing |
| FOMAL | Fell On My Ass Laughing |
| FOMCL | Fell Off My Chair Laughing |
| FOML | F*** Off My Line |
| FOMO | Fear of Missing Out |
| FOMU | Fear Of Messing Up |
| FON | Freak Of Nature |
| FON | Telephone |
| FOO | First One of Our .... |