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Describes when someone is being abnormally crazy or strange.
"That boy is a right cookster!"

"Haha, you crazy cookster!"
by ogcookster June 26, 2017
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2
A person with an unnatural gift of 'stringing' someone else along with a story or tale that appears to be reasonable and likely and then delivering the punchline which undoubtedly results in the recipient looking and feeling like a bit of a twat!
That Cookster just made me totally believe that he had conquered Everest wearing only his pants!
by Someone not yet taken in February 09, 2007
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