Corprolite
(n.) A mashup of two words: Corporate, and Coprolite, which is a fossilized turd.

Used to describe entrenched middle management common to many workplaces, especially those members who have been in their jobs too long to be dismissed despite adding nothing more valuable to the company than would an ancient piece of rock-hard poop.
Employee 1: Hey, how'd your new idea go over with the big CEO?

Employee 2: It never got to him. Some corprolite decided he wanted things to stay the same around here and threw away my memo.

Passing middle manager, to himself: Corprolite? Sounds like new business jargon. I'll have to make sure I use that in my next presentation to the board!