Kook is a very popular expression in the surfing world. It defines a newbie that tries to mimic the surfer’s lifestyle and skills in the water. It’s relatively easy to spot a wannabe surfer, pretending to look and act like a pro, and getting in the way of other wave riders. The roots of the words are, however, not exactly clear, precise, and unanimous, with etymologist and surf historians presenting diverging viewpoints.

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The origin of the word "kook"