black robe syndrome
n.— «I hope that I don’t forget all the things I’ve learned, what I like and don’t like in a judge. I hope I don’t get the black robe syndrome, where you suddenly think you’re a little smarter, because you’re not.» —“Welcome to Judging 101″ by Bruce Vielmetti St. Petersburg Times (Florida) Jan. 7, 1991. (source: Double-Tongued Dictionary)