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Same as the derogatory term fuck
What the kruk was that?
by arn880 December 05, 2002
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Nov 27 Word of the Day
A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.
That fucking smooth brain put his shirt on backwards again...

That smooth brain is dumber than a pile of shit.
by Tip Tank May 14, 2011
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A clique associated with the Crips Gang, (primarily the Hoovers) formed in Richmond, Kentucky in the 1990’s
Person 1: Aye somebody got shot the other day.

Person 2: Probably them Kruks who did it
by User2184930 July 31, 2020
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