| Abbreviation | Definition |
|---|---|
| CM | Chick Magnet |
| CM | Complete Moron |
| CM | Condescension Man |
| CMAR | Cry Me A River |
| CMB | Crazy Monkey Baby |
| CMC | Central Mosh Crew |
| CMC | Christening Marriage And Cemetery |
| CMF | Crazy Monkey Federation |
| CMFC | Cyclopean Mummy Fan Club |
| CMG | Confused and Muddled Group |
| CMGI | Call Me Gillette Instead |
| CMGI | Cannot Make a Good Investment |
| CMGI | Can't Make a Good Investment |
| CMGI | Crummy Miserable Godforsaken Internet |
| CMH | Completely Meticulous Housekeeping |
| CMHC | Canadian Moose Huggers Coalition |
| CMI | Cruel Memory Institution |
| CMIG | Chocolate Milk Is Good |
| CML | Chop Mangle Lose |
| CML | Crazy Markup Language |