1 definition by K Biscuit

A person that you would also refer to as a loser. Generally directed at mates when they say or do something ridiculously idiotic. Can also say someone is 'kookin it' if they are doing something dumb, like re-dating their bimbo ex-girlfriend.
Dave's such a kook.
Old mate is kookin it so hard.
by K Biscuit December 3, 2010
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