| Abbreviation | Definition |
|---|---|
| BYOE | Build Your Own Earth |
| BYOF | Bring Your Own Fabric |
| BYOF | Bring Your Own Fiddle |
| BYOF | Bring Your Own Furniture |
| BYOM | Bring Your Own Mug |
| BYOS | Bring Your Own Snow |
| BYU | Bar Your University |
| BYU | Boring Yiddish University |
| C | Cranky |
| C | Creepy |
| CA | Constant Acquisitions |
| CAAB | Clement Adder's Aviation Band |
| CAABOH | Crazy As A Bag Of Hammers |
| CAAC | China Airways Always Crashes |
| CAB | Clowns Acting Brutal |
| CAB | Computer-Aided Brainstorming |
| CAB | Crazy Attractive Baby |
| CACS | Citizens Against Common Sense |
| CAD | Change Again Daily |
| CAD | Complicated And Difficult |