↑ Liebling, A. J.(1 Apr 1950),“Dead Game”, inThe New Yorker, retrieved 2012-07-13, pages 35-45
Etymology
From cockfighting sense, a well-heeled cock was provided with sharp spurs and could inflict maximum damage.[1] Then it came along in American frontierslang to mean that one was well-equipped. In the modern sense, however, it means being armed with the most powerful weapon: money.