ninja lining

When you manage to do a line of cocaine without anyone seeing you.

🙅🏻👃🏻 is the emoji used for ninja lining so no one knows what you're talking about (stealth just like a ninja)

Seal wanna go ninja lining tonight?

Or

Seal wanna 🙅🏻👃🏻 tonight?

by squidding July 24, 2016

ninja swimming

Swimming in a stranger's pool in the middle of the night without getting caught.
Bonus: going through a neighborhood, swimming in as many backyard pools as you can in one night.

While the rich people went to Cancun, my friends and I went Ninja Swimming during spring break.

by I'mNotThatOld July 23, 2016

ninja bunny

Just a change who can quietly and quickly get across the stage without being noticed.

He is a ninja bunny.
He was quick like a ninja bunny.

by Fast Ninja bunny January 24, 2018

Ninja dick

When a guy sends a pic or video of his penis without warning. it comes out of nowhere like a ninja

I was messaging jack about the school work, then all of a sudden out of nowhere he sent ninja dick.

by humansvs aliens January 1, 2017

Cum Ninja

A very stealthy motherfucker that blows a load before you know it.

Jesus, that was one cum ninja.

by TylerStevenson January 3, 2017

ninja boning

the act of fucking a hoe so low key, no one knows about it.

treyvon: "yo my nigga, you and dat bitch lucy still fucking"

johnson: "my nigga keep that on the dl...but yeah we ninja boning."

by brodude101 January 11, 2017

Ninja

A funny blue hair man that streams the Fortnite and reports players for stream sniping

"Bruh i'm gonna watch some Ninja" - 9 year old

by Bald Martin II October 24, 2019