Top Definition
A person who hides how much of a nerd he is by acting normal majority of the time. Only his closest friends know how much of a nerd he is while others are unaware.
Joel is such a ninja nerd, he acts normal but we know he's a huge geek deep down.
av poiboyJ 23 juli 2008

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A ninja who is in touch with his nerdy side. You cannot have a female ninjanerd, only male, although they may have feminine characteristics. Used to insult a person who believes he's a ninjanerd, but is a nerd at the same time, the nerd part using the computer freqeuently, the ninja part being stealthy.
"Hah, I am a ninja! But I love downloading this anime and using the computer and chatting on IRC"
"YOU NINJANERD!"
av Mo Hat 7 juni 2005

The Urban Dictionary Mug

Lotsa space for your liquids.

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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.

Create a mug

The Urban Dictionary Mug

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

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

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

Buy the t-shirt
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