From The Wizard of Oz when the Munchkin coroner declares the witch most sincerely dead. Now commonly used for comatose organ donors who have been declared brain dead.
ICU Nurse: "We've got a comatose head trauma with a signed donor card. Just declared brain dead, so you can assemble the harvest team stat."
Transplant coordinator: "How dead is he?"
ICU Nurse: "Oh, he's really most sincerely dead."
Transplant coordinator: "How dead is he?"
ICU Nurse: "Oh, he's really most sincerely dead."
by ghostie girl March 29, 2014