1 definition by poiboyJ

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.
#ninja #nerd #stealth #hidden #fake #identity
by poiboyJ July 23, 2008
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×