| L8R | Later |
| LAQ | Lame Ass Quote |
| LB?W/C | Like Bondage? Whips or Chains |
| LBR and LGR | Little Boy's Room and Little Girl's Room |
| LBUG or LBIG | Laughing Because You're Gay -or- Laughing Because I'm Gay |
| LD | Long Distance -or- Later Dude |
| LDIMEDILLIGAF | Look Deeply Into My Eyes, Does It Look Like I Give A F*** |
| LDR | Long Distance Relationship |
| LDTTWA | Let's Do The Time Warp Again |
| LFTI | Looking Forward To It |
| LGMAS | Lord Give Me A Sign |
| LHO | Laughing Head Off |
| LHOS | Lets Have Online Sex |
| LIFO | Last In First Out |
| LIS | Laughing In Silence |
| LKITR | Little Kid In The Room |
| LLTA | Lots And Lots Of Thunderous Applause |
| LMAO | Laughing My Ass Off |
| LMFAO | Laughing My F***ing Ass Off |
| LMIRL | Let's Meet In Real Life |
| LMK | Let Me Know |
| LMSO | Laughing My Socks Off |
| LMTCB | Left Message To Call Back |
| LOL | Laughing Out Loud -or- Lots of Luck (or Love) |
| LOLA | Laugh Out Loud Again |
| LOMBARD | Lots Of Money But A Right Dick |
| LONH | Lights On, Nobody Home |
| LOOL | Laughing Outragously Out Loud |
| LOPSOD | Long On Promises, Short On Delivery |
| LORE | Learn Once, Repeat Everywhere |
| LOU | Laughing Over You |
| LPOS | Lazy Piece Of Sh** |
| LRF | Little Rubber Feet |
| LSV | Language, Sex, Violence |
| LTIC | Laughing 'Til I Cry |
| LTM | Laugh To Myself |
| LTNS | Long Time No See |
| LTR | Long Term Relationship |
| LTTIC | Look The Teacher Is Coming |
| LULU | Locally Undesireable Land Use |
| LUMTP | Love You More Than Pie |
| LWR | Launch When Ready |
| LY | Love You |
| LY4E | Love You Forever |
| LYB | Love You Babe |
| LYCYLBB | Love You, See You Later, Bye Bye |
| LYKYAMY | Love You, Kiss You, Already Miss You |
| LYL | Love You Lots |
| LYLAB | Love You Like a Brother |
| LYLAS | Love You Like A Sister |
| LYLB | Love You Later Bye |
| LYMI | Love You, Mean It |
| LYWAMH | Love You With All My Heart |
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