Top Definition
One who gallavants and/or peruses in the night time. Often wears darker attire to disguise their true identity. Having at least several of the following qualities: stealth, wit, agility, sex appeal, wizardly powers, hispanic origins, and an inner beastliness.
Wow, did you see that shadow? That was probably a night ninja
Dude we should get out of here, this is night ninja territory after 10 pm
I want to be a night ninja for Halloween!
by babybackCINNATWIN January 29, 2011
Free Daily Email

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

Emails are sent from We'll never spam you.