| Acronym | Meaning |
| SODDI | Some Other Doctor Did It (when One Medic's Botched Jobs Must Be Put Right/answered For By Someone Else) |
| SOG | Sick Old Guy (male Version Of LOL (Little Old Lady)) |
| SPAK | Status Post Ass Kicking |
| SRI | Something Wrong Inside (undiagnosable Problem) |
| SSDD | Same Sh*t Different Day |
| SVRI | Something Very Wrong Inside (usually Terminal) |
| SWAG | Scientific Wild Ass Guess |
| SWI | Something Wrong Inside |
| SWW | Sick, Wet And Whiny (infant) |
| SYB | Save Your Breath (for Patients Who Don't Take Advice) |
| TAPS | Thick As Pig Sh*t |
| TARFU | Things Are Really F*cked Up |
| TATT | Talks All The Time (also "Tired All The Time") |
| TBC | Total Body Crunch: Multiple Injuries |
| TBD | Total Body Dolor I.e. Complains Of Pain Everywhere |
| TBP | Total Body Pain |
| TCLT | Transcranial Lead Therapy - Gunshot Wound Passing Through Head |
| TCS | Toxic Confusional State - Confused, Usually Elderly, Person Whose Problem Is Due To Constipation (toxic Build Up In Body) |
| TDS | Terminal Deceleration Syndrome (e.g. RTA Death, High-rise Syndrome, Jump-suicides And Parachute-failed-to-open) |
| TEC | Transfer To Eternal Care I.e. Dead |
| TEETH | Tried Everything Else, Try Homeopathy |
| TF BUNDY | Totally F*cked, But Unfortunately Not Dead Yet |
| TFO | Too F*cking Old (person Dying Of Old Age). |
| TFTB | Too Fat To Breathe |
| THC | Three Hots And A Cot; Sought In A&E By The Local Homeless |
| TLC | Tube, Lavage & Charcoal (given To Poisoning Victim) |
| TLGP | Two Legged Guinea Pig - Patient Undergoing Experimental Or Extreme Treatments |
| TLR | Two Legged Rat - Refers To A Patient Undergoing Experimental Or Extreme Treatments |
| TMB | Too Many Birthdays: Person Dying Of "old Age" |
| TMI | Three Meaningless Initials (e.g. John Smith, TMI - Applied To Medics With Qualifications Rather Than Ability) |
| TOBP | Tired Of Being Pregnant (especially Patient Demanding Caesarian) |
| TOG | Tears Of Gratitude |
| TOI | Trans-occipital Implants - Bullet Wound To The Head |
| TRO | Time Ran Out |
| TSL | Too Stupid To Live |
| TSS | Toxic Sock Syndrome (often Related To The Homeless) |
| TTFO | Told To F*ck Off |
| TTJ | Transfer To Jesus |
| TTOAST | Take Them Out And Shoot Them |
| TTR | (US) Tattoo-to-Tooth Ratio (Dirtbag Ratio) |
| TTTR | Tooth To Tattoo Ratio - Visual Determination Of Basic Intelligence. A Positive Ratio (more Teeth Then Tattoos) Is Generally Better Than A Negative Ratio, Which Is Bad. |
| TUBE | Totally Unnecessary Breast Examination (might Happen To A GLM / MILF) |
| TVTP | Tried Vancomycin, Try Prayer (Vancomycin Is Anti-MRSA Drug) |
| TWA | Third World Assassins. Slang For The Allegedly Poor Medical Care Delivered By Physicians Who Went To Medical School In Foreign Countries |
| TWSAM | Trash Will Survive And Multiply |
| TYFTIC | Thank You For This Interesting Consult - This Is Complete B*llsh*t |
| UBI | Unexplained Beer Injury |
| UDI | Unidentified Drinking Injury |
| UFO | Unidentified Frozen Object: Unidentified Dead Homeless Person In The Winter |
| UGLI | Ugly: A Patient (usually A Child) Who Looks A Bit Odd But Has Nothing Wrong With Them |