| Abbreviation | Definition |
|---|---|
| 2MO | Tomorrow |
| 2MRO | Tomorrow |
| A | As |
| A | Add |
| A | Annoying |
| A/A | AttAching |
| a/s/l | Age / Sex / Location |
| A/S/L | Age/Sex/Location |
| A/T | According To |
| A/W | Anyway |
| A1 | Top quality |
| A3 | Anyplace, Anywhere, Anytime |
| A4D | Afford |
| A4U | All For You |
| AA | Ask About |
| AAA | Awesome Awesome Awesome |
| AAB | As Always Booring |
| AACT | Adults And Children Talking |
| AAE | Adobe After Effects |
| AAE | Anything And Everything |