The term "Cheney Gene" comes from the fact that Dick Cheney was a strong supporter of the Vietnam war, but did everything in his power to avoid the draft.
The Cheney Gene is not exclusive to the neoconservative movement. Chickenhawks come in all shapes and sizes, colors and creeds.
The man had a yellow belly because he possessed the Cheney Gene.
John was a supporter of the Vietnam war until he was drafted. He possessed the Cheney Gene.