ninja dining 

Is a method of eating off other people's plates without them knowing. Mostly picking things off plates that servers are carrying by your table.

Ted never pays for anything. He always ninja dining.

ninja dining by Rugbyku13 July 17, 2016

ninja counter-strike 

a hare-brained, living underwater-type adventure planned, usually, by a scatterbrain and that's doomed to fail from the start

if you're a scatterbrain and know it, don't plan a ninja counter-strike on your own

ninja counter-strike by Uncle Dimma January 12, 2017

ninja mark

He is a swift and agile ninja who is also cool, hot, and awesome.

Dayum ninja Mark! You are so cool and awesome.

ninja mark by GummyPhysics January 13, 2017

Ninjabob1797 

A guy who once told everyone about how he accidentally circumcised himself.

Ninjabob1797: I once shaved my pubes, but then i dropped the razorblade and accidentally circumcised myself.

Ninjabob1797 by CreepyChineseGuy February 18, 2017

ninja checkout

A ninja checkout is when you check out of a hotel but don't actually leave the room and bank on the delay between the checkout and the maids coming to clean.

Cody did a ninja checkout so we could finish packing up.

ninja checkout by DankChineseCartoons June 4, 2017

Ninja Dicking 

Whe your are accused of have sex with someone you didnt. You were so good and slick that you didnt even know you had sex with her.

"I didnt have sex with her!"

" must be that ninja dicking."

Ninja Dicking by Mr. Lunch box June 26, 2017

ninjaflakes 

a dumbass shaggy-hair whose face looks like a slice of cheese

Tom: Who is that shaggy-haired pimple face?
Cindy: Ninjaflakes.

ninjaflakes by XXXTENTACIONXL2017 July 25, 2017