| Abbreviation | Definition |
|---|---|
| COOL | Corrupted Overated Outstyle Loser |
| COOL | Crappy Overweighted Outtastyle Loser |
| CORE | Calendar Of Ridley Events |
| CORN | Crap On Round Noses |
| CORSAIR | Can Origami Really Start Anarchy In Russia? |
| COS | Cult Of Spike |
| COT | Cult Of Tiamat |
| COT | Cult Of Tracker |
| COTA | Cancelled Often Try Again |
| COTA | Children Of The Apocalypse |
| COTC | Clan Of The Camper |
| COTE | Clan Of The Eyrie |
| COTS | Call Of The Simpsons |
| COTS | Cash On The Spot |
| COTS | Commercial Off The Self |
| COTS | Component Of The Shelf |
| COTULLA,TX | Come Often To Understand Little Latin America |
| COVFEFE | Come Over Very Fast Everyone Follows Europe |
| COVFEFE | Come Over Vladimir For Election Fraud Event |
| COVFEFE | Corrupt Orange Visaged Fiend Eradicating Future Earthpic |