| Abbreviation | Definition |
|---|---|
| KYL | Know Your Limits |
| KYMO | Keep Your Mitts Off |
| KYMS | Keep Your Mouth Shut |
| KYP | Keep You Posted |
| KYS | Keep Yourself Safe |
| KYS | Kill Your Self |
| KYS | Kill Yourself |
| KYST | Keep Your S**t Together |
| KYTTY | Keep Your Thoughts To Yourself |
| KYW | Know Your World |
| L | Laugh |
| L | Lazy |
| L | Lonely |
| L | Looking |
| L | Lovely |
| L | Loving |
| L&R | Love and Respect |
| L/M | Last minute |
| L/M | Left Message |
| L1 | Lousy One |