| Abbreviation | Definition |
|---|---|
| BOL2U | Best Of Luck To You |
| BOLA | Best Of Luck Always |
| BOLTOP | Better On Lips Than On Paper |
| BOMBAY | Beware Of Many Boys AroundYou |
| BOML | Best Of My Love |
| BOMM | Bored Out of My Mind |
| BOMO | Better On My Own |
| BON | Boning |
| BOOB | Best Oddball Online Buddy |
| BOOB | Bundles Of Outstanding Beauty |
| BOOMM | Bored Out Of My Mind |
| BOQ | Big Open Question |
| BOS | Best of Opposite Sex |
| BOSS | Back Office Software System |
| BOT | Before Our Time |
| BOT | Big On Top |
| BOTB | Best Of The Best |
| BOTD | Benefit of the Doubt |
| BOTEC | Back Of The Envelope Calculation |
| BOTG | Best Of The Goodness |