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Another way of saying "you're ignorant!" but in a stronger way.
by wikywhat January 24, 2009
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2
a person who lacks basic info. on an event.
Person A: I keep hooking my shot (golf)

Person B: Maby you should hit harder?

Person A: Shut up! You're such a cossintan!
by wikywhat April 04, 2009
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