| LSMISMT | | Laughing So Much I Shot My Tampax |
| lsmmhrof | | laughing so much that my head is rolling on the floor |
| LSP | | Less Sensitive Person |
| LSSM | | least said soonest mended |
| LSSM | | Least said, soonest mended |
| lstm | | laughing silently to myself |
| LSTYD | | Life Stinks, Then You Die |
| LSV | | Language, Sex, Violence |
| LTAHP | | Lets Talk about Harry Potter |
| LTAO | | Laughed Their Asses Off |
| LTBF | | Learn To Be Funny |
| ltbh | | long term buy & hold |
| LTC | | long term care |
| LTE | | Long term evolution |
| LTFU | | Long-Term Follow-Up |
| LTHTT | | Laughing too hard to type |
| ltip | | laughed till I puked |
| ltip | | laughing 'til I puke |
| ltip | | laughing til I puke |
| ltip | | laughing til' I puke. |
| ltip | | laughing till I puke |
| ltip | | laughing until I puke |
| LTIPMP | | Laughed till I pissed my pants |
| LTK | | License To Kill |
| ltlyl | | live the life you love |
| LTM | | laugh to myself |
| LTM | | Laughed To Myself |
| LTM | | Laughing To Myself |
| LTM | | listen to me |
| LTMA | | Less Talk, More Action |
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