Prozacky
adj. (PRO-zak-ee) 1. ineffably happy; existing in a chemically-induced state of blissful ignorance. 2. Overmedicated. See Rush Limbaugh.
From the New York Times article "Sweeping the Clouds Away" by Virginia Heffernan, dated November 18, 2007, describing early Sesame Street episodes: "Cookie Monster was on a fast track to diabetes. Oscar’s depression was untreated. Prozacky Elmo didn’t exist."