1 definition by Blair/Chris

Top Definition
1. A form of degree used in order to make sure children are not enjoying themselves. Stands for Certified Buster of Shit. Parents must qualify by passing 150 question Series CBS examintation, at any Thomson Prometric Testing Center.
My dad is such a fuckin CBS, he always calls me in the middle of bong tokes
by Blair/Chris June 28, 2005

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