On the ninja seat 

When you're in the bathroom and trying to take a quiet crap if someone is outside the door. Or when ther is multiple people in the room at once

Tim was on the ninja seat when Judy was waiting outside the door for him.

On the ninja seat by Lizzie Smith II November 17, 2010

Dude You're a ninja! 

The way a person would be able to sneak into a room without you or anyone else noticing that they just entered.

A group of people are talking in a circle.

Person A walks behind everyone.

Person B -turns around sees the person just sitting there randomly-

Person B: Dude You're A NINJA!!

Dude You're a ninja! by Thequestioniswhoareyou February 26, 2011

pulling a drunk ninja 

N., When someone thinks they're so cool, and tries to do something, but fails epically.

Person 1: Remember when he pulled a drunk ninja?
Person 2: Hahaha! I do! He tried to do a back flip, but landed his ass in the dumpster!
"Drunk Ninja": I saw you pulling a drunk ninja last week!

pulling a drunk ninja by Sober Ninja March 21, 2011

Cat like ninja reflexes 

The agility to handle any insect, person, animal, or object, in a way that protects the ninja, and or their friends and family.

Dave: *kills bug between fingers*
Greg: dang Dave, you've got some serious cat like ninja reflexes.

Dave: I'm kind of a big deal

Cat like ninja reflexes by tttoriii June 4, 2016

Human Fruit Ninja 

The act of playing fruit ninja (slicey slicey) on yourself or someone else (I guess)

I play human fruit Ninja all the time

Human Fruit Ninja by WhereIsWillToLive April 20, 2022

Straight Fruit Ninja 

Dominant Alpha male with a body of a greek god and confidence of Hercules who asserts dominance by slicing cherries 🍒 AKA stealing your girl.

Ben: That dude is a straight fruit ninja keep an eye on ur girl.
Sally: Ur such a straight fruit ninja you made me cheat on my boyfriend..wink wink.

Straight Fruit Ninja by Stachebra October 6, 2022

Dar Uma á Ninja 

Quando se falha todos os tiros a jogar csgo
Quando és mau em todos os jogos em existência

Bro tás a dar uma á Ninja fds(he failed every shot on enemy ct while he was defusing the bomb in front of him

Dar Uma á Ninja by DiggazWiggaz2740 October 30, 2023