| Abbreviation | Definition |
|---|---|
| UATB | You Are The Best |
| UATW | You Are Too Wondeful |
| UAW | You Are Weird |
| UB | Unique Browser |
| UB | You Better |
| UBA | Unbelievably Big A** |
| UBB | Ultimate Bulletin Board |
| UBD | U Be Dead |
| UBG | U Be Good |
| UBK | U Be Krazy |
| UBL | U Be Lucky |
| UBM | U Be Mine |
| UBN | U Be Nuts |
| UBRAT | You Better Rest At Mobile |
| UBU | U Be You |
| UBZ | U Be Zonked |
| UCA | Under Chair Activities |
| UCLIA | You Could Lose It All |
| UD | U Done |
| UD | Ups and Downs |