| Abbreviation | Definition |
|---|---|
| MDS | Might Dead Stick |
| MDS | More Dead Sticks |
| MDYB | Made You Blush |
| ME | Many Errors |
| ME | Maximum Envy |
| ME | Memory Eater |
| ME | Messy Endeavor |
| ME | Microsoft Exasperation |
| ME | Might Explode |
| ME | Migraine Edition |
| ME | Miserable Edition |
| ME | Mistake Edition |
| ME | More Errors |
| ME | Multiple Errors |
| ME | Mutant Enemy |
| MEAN | Marvelous Excellent Awesome Nice |
| MEC | Many Enemas Coming |
| MECCA | Middle East Cross Central Asia |
| MEDIA | Most Effective Devil In America |
| MEGA | Make Everyone Get Angry |