noun. The highest title that a seasoned demon-expeller can attain.
Real citation: “The Vatican's Exorcist-in-chief declares Harry Potter the spawn of Satan. Have I missed something, or are the italian editions a bit darker?”
(Jennifer Emick, Sept. 1, 2006, http://altreligion.about.com/b/a/257277.htm)
Made-up citation: "At Liberty University, does the provost rank below or above the exorcist-in-chief?"