| Acronym | Definition |
|---|
| SLUG | Sydney Linux Users Group |
| SLUG | Single Lock-Up Garage (real estate) |
| SLUG | San Francisco League of Urban Gardeners (San Francisco, CA) |
| SLUG | Schools Linux User Group (South Africa) |
| SLUG | Stavanger Linux User Group |
| SLUG | Stratford Linux Users Group (Canada) |
| SLUG | Salt Lake Under Ground (magazine) |
| SLUG | Syracuse Linux Users Group |
| SLUG | Society of Linguistics Undergraduates |
| SLUG | Superconducting Low-inductance Undulatory Galvanometer |
| SLUG | Selectee Learning Under Guidance |
| SLUG | Students Learning Under Guidance |
| SLUG | Sorry Loser Under Ground (from Mary Amato book The Word Eater) |