| Abbreviation | Definition |
|---|---|
| FYI | Fer Yer Infermaeshun |
| FYI | Found Your Insulin |
| G | Grin |
| GAA | Gahan Aholics Anonymous |
| GAAP | Grossly Altered Accounting Principles |
| GAB | Godly And Beautiful |
| GADEROS | Galileo Demonstrator for Railway Operation System |
| GAF | Giant Amphibious Fly |
| GAFFER | Grey As F*** Fully Expecting Resuscitation |
| GAGA | Genuine Admirer Of Gillian Anderson |
| GAL | Go Away Lady |
| GAL | Great Appellate Lawyer |
| GAMER | Dad, Please Come Back |
| GAMER | Gdad Aplease Mcome Eback R |
| GAMER | Great American Men Earn Recognition |
| GAMES | Gay Animals Meeting Evil Santa |
| GANG | God's Army Now Go |
| GANZI | Get a new zipper installed! |
| GAP | Gaston's Arrogance Personified |
| GAP | Gay A** People |