| YOYO | Youre On Your Own | - | NASA |
| YMRASU | Your Medical Records Are Screwed Up | - | NASA |
| YAVIS | Young, Attractive, Verbal, Intelligent, Successful. | - | NASA |
| WWI | Walking While Intoxicated (and Fell Over) | - | NASA |
| WOMBAT | Waste Of Money, Brains And Time | - | NASA |
| WNL | Will Not Listen; Patient Won't Take Medical Advice | - | NASA |
| WNL | (Ambulance/casualty) Within Normal Limits, But More Often Interpreted As We Never Looked | - | NASA |
| WITPOMS | Why Is This Patient On My Service | - | NASA |
| WFFAD | Will Follow From A Distance - Will Check Your Lab Results, But Will Never Set Foot In Your Room Again | - | NASA |
| WAFTAM | ("woff-tam"): Waste Of F***ing Time And Money | - | NASA |
| WADHAO | Weak And Dizzy And Hurt All Over | - | NASA |
| VTMK | Voice To Melt Knickers (the Voice Deliberately Cultivated By Some Doctors) | - | NASA |
| VOMIT | Victim Of Modern Imaging Technology (i.e. Try Treating The Patient, Not The Report From Radiology; Particularly Referring To Invasive Procedures For False Positives. | - | NASA |
| VIP | Very Intoxicated Person | - | NASA |
| VD | Veak And Dizzy; Older Person Feeling Vaguely Unwell And Presents At ER At 2am Complaining Of Feeling "weak And Dizzy" | - | NASA |
| VBT | Very Bad Thing | - | NASA |
| VBA | Valuable Breathing Air; I.e. What Some Patients Or Doctors Are Wasting | - | NASA |
| VAC | Vultures Are Circling (dying) | - | NASA |
| UPF | Un-Passed Fart (gaseous Distended Abdomen) | - | NASA |
| UNIVAC | Unusually Nasty Infection, Vultures Are Circling | - | NASA |
| ULPP | Unlicensed Pharmaceutical Provider (drug Dealer) | - | NASA |
| UGLI | Ugly: A Patient (usually A Child) Who Looks A Bit Odd But Has Nothing Wrong With Them | - | NASA |
| UFO | Unidentified Frozen Object: Unidentified Dead Homeless Person In The Winter | - | NASA |
| UDI | Unidentified Drinking Injury | - | NASA |
| UBI | Unexplained Beer Injury | - | NASA |
| TYFTIC | Thank You For This Interesting Consult - This Is Complete B*llsh*t | - | NASA |
| TWSAM | Trash Will Survive And Multiply | - | NASA |
| TWA | Third World Assassins. Slang For The Allegedly Poor Medical Care Delivered By Physicians Who Went To Medical School In Foreign Countries | - | NASA |
| TVTP | Tried Vancomycin, Try Prayer (Vancomycin Is Anti-MRSA Drug) | - | NASA |
| TUBE | Totally Unnecessary Breast Examination (might Happen To A GLM / MILF) | - | NASA |
| 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. | - | NASA |
| TTR | (US) Tattoo-to-Tooth Ratio (Dirtbag Ratio) | - | NASA |
| TTOAST | Take Them Out And Shoot Them | - | NASA |
| TTJ | Transfer To Jesus | - | NASA |
| TTFO | Told To F*ck Off | - | NASA |
| TSS | Toxic Sock Syndrome (often Related To The Homeless) | - | NASA |
| TSL | Too Stupid To Live | - | NASA |
| TRO | Time Ran Out | - | NASA |
| TOI | Trans-occipital Implants - Bullet Wound To The Head | - | NASA |
| TOG | Tears Of Gratitude | - | NASA |
| TOBP | Tired Of Being Pregnant (especially Patient Demanding Caesarian) | - | NASA |
| TMI | Three Meaningless Initials (e.g. John Smith, TMI - Applied To Medics With Qualifications Rather Than Ability) | - | NASA |
| TMB | Too Many Birthdays: Person Dying Of "old Age" | - | NASA |
| TLR | Two Legged Rat - Refers To A Patient Undergoing Experimental Or Extreme Treatments | - | NASA |
| TLGP | Two Legged Guinea Pig - Patient Undergoing Experimental Or Extreme Treatments | - | NASA |
| TLC | Tube, Lavage & Charcoal (given To Poisoning Victim) | - | NASA |
| THC | Three Hots And A Cot; Sought In A&E By The Local Homeless | - | NASA |
| TFTB | Too Fat To Breathe | - | NASA |
| TFO | Too F*cking Old (person Dying Of Old Age). | - | NASA |
| TF BUNDY | Totally F*cked, But Unfortunately Not Dead Yet | - | NASA |
| TEETH | Tried Everything Else, Try Homeopathy | - | NASA |
| TEC | Transfer To Eternal Care I.e. Dead | - | NASA |
| TDS | Terminal Deceleration Syndrome (e.g. RTA Death, High-rise Syndrome, Jump-suicides And Parachute-failed-to-open) | - | NASA |
| TCS | Toxic Confusional State - Confused, Usually Elderly, Person Whose Problem Is Due To Constipation (toxic Build Up In Body) | - | NASA |
| TCLT | Transcranial Lead Therapy - Gunshot Wound Passing Through Head | - | NASA |
| TBP | Total Body Pain | - | NASA |
| TBD | Total Body Dolor I.e. Complains Of Pain Everywhere | - | NASA |
| TBC | Total Body Crunch: Multiple Injuries | - | NASA |
| TATT | Talks All The Time (also "Tired All The Time") | - | NASA |
| TARFU | Things Are Really F*cked Up | - | NASA |
| TAPS | Thick As Pig Sh*t | - | NASA |
| SYB | Save Your Breath (for Patients Who Don't Take Advice) | - | NASA |
| SWW | Sick, Wet And Whiny (infant) | - | NASA |
| SWI | Something Wrong Inside | - | NASA |
| SWAG | Scientific Wild Ass Guess | - | NASA |
| SVRI | Something Very Wrong Inside (usually Terminal) | - | NASA |
| SSDD | Same Sh*t Different Day | - | NASA |
| SRI | Something Wrong Inside (undiagnosable Problem) | - | NASA |
| SPAK | Status Post Ass Kicking | - | NASA |
| SOG | Sick Old Guy (male Version Of LOL (Little Old Lady)) | - | NASA |
| SODDI | Some Other Doctor Did It (when One Medic's Botched Jobs Must Be Put Right/answered For By Someone Else) | - | NASA |
| SOCMOB | Standing On Corner Minding Own Business (when Inexplicably Injured) | - | NASA |
| SOB | Sitting Out Of Bed / Sitting On Bed | - | NASA |
| SOB | Silly Old Bugger / B*stard / Bitch | - | NASA |
| SOB | Short Of Breath | - | NASA |
| SNUD | Sick Nigh Unto Death | - | NASA |
| SIO | Sleeping It Off | - | NASA |
| SIG | Stroppy Ignorant Girl | - | NASA |
| SHS | Sullen, Hostile, Stupid (often An Inner City Drug/alcohol Addict) | - | NASA |
| SHPOS | Sub-Human Piece Of Sh*t | - | NASA |
| SHAD | Syphilitic, Hypochondriac, Alcoholic Degenerate | - | NASA |
| SHA | Ship His Ass (when Patients Refuse To Be Discharged). | - | NASA |
| SFSF | Sphincter Factor Scale: 1 To 10 Scale Indicating Degree Of Bowel-loosening In Response To An Emergency | - | NASA |
| SFS | Stinky Foot Syndrome (often Related To Homeless) | - | NASA |
| SEP | Somebody Else's Problem (not To Be Confused With Sepsis) | - | NASA |
| SBOD | Stupid Bitch / Bastard On Drugs | - | NASA |
| SBLEO | (pronounced S-B-Leo) Suicide By Law Enforcement Officer | - | NASA |
| SBI | Something Bad Inside E.g. Undiagnosed Cancer/unexpected Serious Condition Found When Performing Surgery | - | NASA |
| SBA | Silver Bracelet Award - Patient Is A Prisoner Brought In Wearing Cuffs | - | NASA |
| SAS | Sick As Sh*t | - | NASA |
| S2 | Sit The F**k Down And Shut The F**k Up | - | NASA |
| RUTUS | Rounding Up The Usual Suspects - Ordering A Set Of Tests For A Given Set Of Symptoms | - | NASA |
| RTTL | Running Towards The Light - Dying | - | NASA |
| RTTBBB | Rat-a-Tat-Tat With A Baseball Bat (hit With Blunt Instrument). | - | NASA |
| RT | Room Temperature (dead) | - | NASA |
| RR | Rocket Room - A Ward/unit Where There Are Many Deaths (many Transfers To Heaven) | - | NASA |
| RPVU | Relative Porsche Value Unit: Surgical Index Of Potential Income From The Repair Of Patient Injuries, Usually Orthopaedic In Nature. Fractured Finger = A Windscreen Wiper; A Fractured Hip = New Tyres Etc. | - | NASA |
| RLI | Rapid Lead Infusion - Obnoxious Patient Ought To Be Shot | - | NASA |
| RHS | Rocking Horse Stool - Even Rarer Than Hen's Teeth | - | NASA |
| RBS | Really Bad Shape | - | NASA |
