| Abbreviation | Definition |
|---|---|
| AFYCSO | A Fever You Cant Sweat Out, an album by Panic! At The Disco. |
| AG | Acrobatic Gardener |
| AG | After Garcia |
| AG | After Goddess |
| AG | Amazing Guy |
| AG | Animal Girl |
| AG | Annoying Git |
| AGA | Anti-Gackt Association |
| AGAP | A Great A** Paulina |
| AGAPE | Athletes Going After Perfection Everyday |
| AGBDF | All Good Boys Deserve Football |
| AGHHH | Aggravated Giraffe Hearing Hoots for Help |
| AH | Angry Hump |
| AH | Asshole |
| AHA | Activism Hacking Artivism |
| AHEM | Animaniacs Handy Episode Manual |
| AHL | Action Half Life |
| AHL | Adrenaline Hockey League |
| AHS | All Hail Super |
| AI | Abhorrently Inept |