| Abbreviation | Definition |
|---|---|
| 4BB | 4 Big B*tches |
| A | About |
| A4U | Acronyms for You |
| AA | Absolutely Alright |
| AA | Acronym Abbreviation |
| AA | Airbus Always |
| AA | Alcoholics Arise |
| AA | All Aboard |
| AA | American Arrogance |
| AA | Americans Anonymous |
| AA | Archaic Academy |
| AA | Assassins Anonymous |
| AA | Awful Awful |
| AAA | Absolutely Absurd Analysis |
| AAA | Ah-- Ah-- ACHOO |
| AAA | Alcoholic Apes Anonymous |
| AAA | Aliya, the Atrocious Appaloosa |
| AAA | Always Add Acid |
| AAA | Angband Across America |
| AAA | Anime Addicts Anonymous |