| Acronym | Meaning |
| 45C | Patient Is One Chromosome Short Of A Full Set (questionable IQ) |
| DIFFC | Dropped In For Friendly Chat (i.e. No Medical Problem) |
| ATFO | Asked To Fuck Off |
| SBLEO | (pronounced S-B-Leo) Suicide By Law Enforcement Officer |
| SWI | Something Wrong Inside |
| WNL | (Ambulance/casualty) Within Normal Limits, But More Often Interpreted As We Never Looked |
| SYB | Save Your Breath (for Patients Who Don't Take Advice) |
| LOLFDGB | Little Old Lady, Fall Down, Go Boom |
| DMFNFL | Dumb Mother F*cker, Not Fit To Live |
| BBCS | Bumps, Bruises, Cuts And Scrapes (i.e. No Serious Injuries) |