cork-nut

"A complete douche bag who is also a dumbass. This word was invented by Jimmy, and became a fad at his school, although no one but him and Crake knew what it meant." thinks Snowman.

From the novel Oryx and Crake by Margaret Atwood
Bush is a cork-nut.

"You need to watch your drivin' cork-nut!"
by Dragonbreathp9d August 04, 2006
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