| Abbreviation | Definition |
|---|---|
| CSB | Cool Story Bro |
| CSM | Come See Me |
| CTFD | Calm The F*$# Down |
| CU | See You |
| CU@ | See You Around .... |
| CUL | See You Later |
| CUS | See You Soon |
| CUZ | Because |
| CVS | Code Versioning System |
| CW | Conventional Wisdom |
| CXL | Cancel |
| CYA | See You |
| CYIB | Check Your InBox |
| CYW | Call Your Wife |
| D | The |
| D&M | Deep & Meaningful |
| D4W | Down for Whatever |
| DACT | Driving And Can't Text |
| DB8 | Debate |
| DBI | Don't Buy It |