micro-megalomaniac Posted in M Best definition micro-megalomaniac A term coined by Christopher Hitchens to describe “those who are content to maintain absolute domination of a small sphere”. Everything I do seems to be wrong. My office manager is a micro-megalomaniac! How satisfied are you with the definition? Looking for micro-megalomaniac meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 5 times.