Top Definition
1. One who is very skilled at handling cock. So skilled that their cock handling would be comparable to that of a ninja's preying mantis kick.

2. Can also be used as an insult usually inferring extreme homosexuality.
Wow, that kid was a giant cock ninja.

or

"Dude, that chick I nailed last night was a total cock ninja."

"Damn, I'd give my left nut for a night with her."
by Mark and JJ May 06, 2009

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The act of sneaking up behind a girl and smacking her in the face with your cock when she least expects it...like a ninja.
I totally cock ninja'd that bitch and she loved it.
by Ms. Cock Muslim July 10, 2009

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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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The Urban Dictionary T-Shirt

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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An okay dude with slight schizophrenia.
He's alright, he's just a cock-ninja!
by Full Bladder October 28, 2006

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