HAC
n.— «The apparel is one of many new tools medical professionals are adding to their arsenal for the fight against hospital-acquired conditions. HACs, as they are called, are injuries or ailments patients receive after admission.» —“Medicare won’t pay for hospital-acquired injuries” by James Schlett Daily Gazette (Schenectady, New York) Sept. 28, 2008. (source: Double-Tongued Dictionary)
Further reading
When there’s no evening meal planned at home, what do you call that scramble to cobble together your own dinner? Some people apply acronyms like YOYO — “you’re on your own” — or CORN, for “Clean Out your Refrigerator...
Brenna, a nurse in Rapid City, South Dakota, says she was on a hospital elevator full of people and when the doors opened and someone in the back was trying to get off, she piped up with One side or a leg off!, but no one understood that phrase. It...