| Abbreviation | Definition |
|---|---|
| CSA | Cute Squeezable A** |
| CSAP | Comprehensive School Alienation Program |
| CSB | Carrots So Beautiful |
| CSB | Coffee, Sex, and Biscuits |
| CSC | Can't Stand Coloreds |
| CSCA | Communist State of CaliforniA |
| CSD | Compulsive Singing Disorder |
| CSI | Corn Still Investigation |
| CSI | Criminally Stupid Individual |
| CSI | Cruel Sadistic Idiot |
| CSI | Customer Supplies Income |
| CSO | Chief Stress Officer |
| CSPAN | Communists Supporting Perverts And Nutcases |
| CSPAN | Crazy Steve's Public Access Network |
| CSS | Chaotic Style Sheet |
| CSS | Confetti Scatz System |
| CSS | Contents Scramble System |
| CSS | Crappy Style Sheet |
| CSU | California Snowflake University |
| CSU | Calipornia State University |