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1.
Greedhead (noun): An avaricious person; a thieving, blood-lusting, & cash-hoarding elitist who gets off on making life more difficult for more people, usually economically or politically.

Hunter Thompson used greedhead often in his writing.
From Hunter S Thompson, "Stadium living in new age":

But what is Daniel Snyder really up to? Is he as stupid as a chicken on a freeway? Is he a natural fool?

No. The Redskins owner has been called many things -- from a treacherous greedhead to a savage jackass -- but he is rarely called a fool. Snyder is a high-rolling businessman in Washington D.C., the crossroads of power and politics in a nation of dangerously frustrated warriors who love football and hunger for personal Security.
by Painted city March 13, 2013