Top Definition
1) Revenge secured through clandestine and secretive methods.

2) The act of seeking retribution when standard avenues for justice aren't available.
Though he had been beaten and embarrassed by Troy, he knew ninjustice would be his once Troy consumed the laxative mixed into his protein shake.
by shamroq September 07, 2009

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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