| Abbreviation | Definition |
|---|---|
| CTW | Call Them Whatever |
| CTY | Can't Tell You |
| CTYL | Chat To You Later |
| CU | Coming Unglued |
| CU | See You |
| CU2M | See You Tomorrow |
| CU2MORO | See You Tomorrow |
| CU46 | See You For Sex |
| CU8R | See You Later |
| CUA | Cute, Adorable |
| CUL | ee You Later |
| CUL | See You Later |
| CUL8ER | See You Later |
| CUL8R | ee You Later |
| CUL8R | See You Later |
| CUL8TR | See You Later |
| CULA | See You Later Alligator |
| CULTR | See You Later |
| CUN | See You Never |
| CUNS | See You iN School |