noun. A cardiologist's handy thingy.
Real citation: "Room of Magical Heart Patients and the Doctors Who Love Them. Denny's heart is beating too fast; they have to slow it down. Alex and Izzie attend to Denny as Burke calls out orders. He wants them to try a synchronized defribrohooziewhatsit."
(Erin Dailey, "What Have I Done to Deserve This?," page 6, Television Without Pity, http://www.televisionwithoutpity.com/story.cgi?show=162&story=8904&page=6&sort=&limit=)
Made-up citation: "I had heart surgery for an atrial septic defect when I was 8, but I've blocked out memories of any defribrohooziewhatsit action."