| Abbreviation | Definition |
|---|---|
| ATC | All Things Considered |
| ATL | Along These Lines |
| ATM | At The Moment |
| AWYWI | Any Way You Want It |
| AYA | Act Your Age |
| AYOR | At Your Own Risk |
| AYT | Are You There |
| B | Be |
| B | Bye |
| B/C | Because |
| B/W | Between |
| B4 | Before |
| B4N | Bye For Now |
| BA | Bad A** |
| BA | By Arrangement |
| BAE | Before Anyone Else |
| BBB | Blah Blah Blah |
| BBBBI5 | Bathroom Break Be Back In 5 |
| BBL | Be Back Later |
| BBS | Be Back Soon |