Night Ninja 

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!

Night Ninja by babybackCINNATWIN February 19, 2011

Ninja in the Night 

1) To go out and ninja in the night.
2) To pork a girl, at night(or somewhere dark), with blinding speed.
3) To frolic amongest the treetops.

Ninja_Matty: We must go out and ninja in the night.
teh_ninja_naf: Agreed. Let me get my boomarang
Ninja_Matty: I'll get our ninjaroos mounts! =D

Ninja in the Night by Matthew Larsen February 23, 2005

ninja of the night 

go to narutochuunin.com, go to multimeadia and download Ninja of the NIght AMV. tis some funny ass shit man. Naruto RAWCKS! and i am no Narutard!

"In the confusion of a smoke bomb i can remove your bra and you wouldnt even notice. i can jump roof. to roof. and get my friends free cable, its bad ass. i used my chinese star to pick the locks and steal your car. ROCK AND ROLE!"

ninja of the night by jo mama October 3, 2004

Ninja in the Night 

When a ninja has mastered the arts of night stealtage and has gained the use of all 6 senses (including the psychic abilities they gain through deathly training), they are able to go out and ninja in the night without worrying about jerks spotting them.

Guy: "Dude, did you see that?"
Dude: "Guy, stfu and get me some pie."

Ninja in the Night by Nathan March 1, 2005

Ninja Nights 

When you just start dating a girl that has kids and you have to sneak your ass over there to get some.

Man I can’t wait to have some ninja nights with this new chick I met.

Ninja Nights by SGT. H2O April 30, 2019