A penis that is small and hard to see in the dark, just like a ninja.
"Son of the Lumberjack is a ninja, and wears dressy sweatpants."
by D00bsan April 16, 2003
Get the ninja cock mug.
A cock that is lean and strong, able to move from position to position with incredible sensual speed. The ninja cock is secretly wanted by all females and unlocks secret, unknown depths of pleasure when used properly.
When offered the ninja cock, Sara's eyes opened and her blouse somehow dropped three buttons...
by ?Ninja May 13, 2005
Get the ninja cock mug.
A giant cock that hits a bitch so hard she can't feel or even comprehend it's awesomeness, and therefore cums 9,200 times after the ninja cock leaves.
Women become pregnant by the mere thought of it. It is impossible to ignore. Shit, the ninja cock is inescapable and every bitch feels it before she dies.
by bleeding gums murphy April 23, 2005
Get the ninja cock mug.
A cock so powerful and overwhelming that you have no idea what to do with it. An elite warrior. It is very speedy and unable to be tamed, specialising in a vast array of martial arts. The ninja cock has multiple times the power of a normal cock, and those who possess a ninja cock have a high ranking within their society. Only the very worthy come into contact with the ninja cock as it is very special.
Renee's ninja cock was so powerful and strong that Jess became un-conscious when she witnessed it.

The ninja cock knocked me out cold.
by Patty Mayonaisse August 28, 2008
Get the Ninja Cock mug.
Your penis is the sword. When fruit is tossed into the air you slice it with your rock hard cock. i.e. your ninja cock
I tried to play ninja cock last night I only got a score of 20, and a bruised dick
by NinjaC0ck69 December 20, 2015
Get the Ninja cock mug.
a small little wiener that is hard and hard to see at night when used properly it can be effective against the female species. Also a sneak fuck from pussy to ass.
Jimmy did a flying spin flip over the table and ninja cock slapped Jenny on the side of the head.
by Matt Kopacz November 1, 2004
Get the ninja cock slap mug.
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 6, 2009
Get the Cock ninja mug.