| Abbreviation | Definition |
|---|---|
| BDAY | Best Day At Youth |
| Bday | Birthday |
| B-DAY | Birthday |
| BDD | Blog Dysmorphic Disorder |
| BDI | Beginner's Discussion Initiative |
| BDKMV | B***h Don't Kill My Vibe |
| BDN | Busy Doing Nothing |
| BDSN | Bad Deeds Shown Now |
| BDY | Big D*** Yacht |
| BE4 | Before |
| BEF | Bug Eyed Freak |
| BEG | Big Evil Grin |
| BEH | Blue Eyed Hottie |
| BEIL | Bowhunter Education Instructor's Lounge |
| BEM | Bug Eyed Monster |
| BET | Big Every Time |
| BETCHA | Bet You |
| BETH | Best Everyone Tell Her |
| BEV | Beautiful Evil Vixen |
| BF | Best Friends |