| Abbreviation | Definition |
|---|---|
| MAN | Morning Afternoon Night |
| MANJA | Make America Not a Joke Again |
| MANOJ | Magnanimous Amicable Nonchalant Obsequious Jaunty |
| MANOJ | Magnanimous Amicable Nonchalant Obsequious Jaunty |
| MANOJ | Many Americans Need Odd Jobs |
| MAP | Mad About Pern |
| MAP | Major Awesome Person |
| MAPC | Madison Area Pissing Contest |
| MAPOTI | Most Annoying People On The Internet |
| MAR | Messing Around Racing |
| MARC | Metropolitan Area Retard Commuters |
| MARCH | Mobile Ann Rescues Cowards Halfway |
| MARINE | Math And Reading Is Not Easy Sir |
| MARINE | Morons and Retards Incorporated Naval Enterprises |
| MARINE | Muscles Are Required, Intelligence Not Expected |
| MARINE | My A** Really Is Navy Equipment |
| MARINE | My A** Riding In Navy Equipment |
| MARINES | Mostly Army Rejects In Naval Entertainment Service |
| MARINES | Muscles Are Required Intelligence Not Expected |
| MARINES | Muscles Are Required Intelligence Not Expected |