| Abbreviation | Definition |
|---|---|
| CRISIS | Candy Raving Intensely Stepping Illumination Squad |
| CRISP | Central Rodent Investigation of Sinister Practices |
| CRM | Can't Really Measure |
| CRM | Costs Ridiculous Money |
| CRM | Cranky Rude Misanthropes |
| CRM | Creepily Repellant Marketers |
| CRM | Customer Relationship Mismanagement |
| CRM | Customers Rarely Matter |
| CROW | Cyanide, Remy, Overdose, and Wired |
| CRP | Can Raise Pheasants |
| CRR | City Of Reptilian Residents |
| CRT | Commie Racist Therapy |
| CRT | Crappy Replacing Teachers |
| CRTC | Canadian Room Temperature Control |
| CRUSH | Cruel Ridiculous Ugly Sarcastic Human |
| CRV | Cute Recreational Vehicle |
| CS | Catastrophically Slowww |
| CS | Crummy Screen |
| CSA | Can't Stand America |
| CSA | Coffee Snobs Anonymous |