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Being very smart with your money. Not over-spending. Buying Canadian instead of Heineken when you go out with your bros.
Derived from the grecko-roman "nig" and anglo-american "smart".

Opposite of judas
Yo brah, why you walking home from here? We live an hour away.

Son, I'm being nigsmart.
by K-daddyflex May 10, 2010