| Abbreviation | Definition |
|---|---|
| XWZ | Xbox War Zone |
| XZ | The X-Treme Zone |
| XZB | Xtreme Zoid Battles |
| XZW | Xtreme Zen Wrestling |
| YABA | Young American Bowling Alliance |
| YABB | Youth Aluminum Baseball Bat |
| YAD | You Are Dead |
| YAG | Yet Another Game |
| YAGE | Yet Another Gameboy Emulator |
| YAL | Yet Another League |
| YAS | Yoga & Spinning |
| YAS | Yoga and Spinning |
| YAT | Youth Association Teams |
| YAW | Yet Another Win |
| YAZ | Carl Yastrimsky |
| YB | Young Buck |
| YB | Youth Baseball |
| YBA | Youth Baseball Association |
| YBB | Youth Baseball Bat |
| YBC | Your Bowling Coach |