| Abbreviation | Definition |
|---|---|
| LR | Luke Reserve |
| LRFF | Little Red Flying Foxes |
| LRK | Little Retarded Kid |
| LRK | Lost Rabid Kangaroos |
| LRP | Little Rascals Pinoy |
| LRR | Lousy Rotten Relative |
| LRR | Lousy Rotten Response |
| LRU | Lets Run Unix |
| LS | Liquaday Sinquaday |
| LS | Lucky Sis'home |
| LSA | Lost Souls Alliance |
| LSB | Little Stinkin Buddha |
| LSD | Lemmys Stone Deaf |
| LSD | Little Son Of Dave |
| LSD | Lost, Stupid, and Dumb |
| LSD | Love Something Different |
| LSHIDMTAMSBFO | Laughed So Hard I Dropped My Taco And My Sombrero Fell Off |
| LSHIFOMDJKIDHADBIIDINIW | Laughing So Hard I Fell Off My Dinosaur Just Kidding I Don't Have A Dinosaur But If I Did I'd Name It Wilburt |
| LSHIMMPCRABDWHCB | Laughing So Hard I Made My Pet Cow Run Away But Don't Worry He Came Back |
| LSHMBB | Laughing So Hard My Belly's Bouncing |