| Club Nickga |
| club penguing |
| Club Swagga |
| Club Thunder |
| Clunkkeri |
| clusterfuck |
| clutch or kick |
| Clänkkeri |
| cm |
| CMC |
| cmon |
| CNBS |
| Co |
| CO2 |
| coast to coast |
| COB/C.O.B |
| Coby |
| CoC |
| CoC, Cläsäri |
| coca |
| Coca Cola |
| Cocaanium |
| cocacolaistuminen |
| cocacolasääret |
| cocis |
| Cockblock |
| cockpit |
| Cocktail |
| Coco |
| CoD |
| Cod4 |
| Code Red |
| codi |
| CODleski |
| Coffari |
| coickeli |
| coinata |
| Coitus |
| coldis |
| Coldmail |
| collikka |
| Collo |