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ninja up
(nin-juh up) verb. The act of tying a black t-shirt to ones face and doint subversive activities. Usually used when stealing cigarettes or blowing up peoples cars.
Johnny Twobags - Man, Ame has a pack of Newports, but shes asleep and I'd have to crawl over her.
Mr. Dopey - You'd better ninja up and do that shit
*Johnny Twobags ties his shirt up and backflips off the ceiling.
Mr. Dopey - You'd better ninja up and do that shit
*Johnny Twobags ties his shirt up and backflips off the ceiling.
ninja up by Lonus the Terror December 14, 2008
Related Words
ninja up • ninja update • ninja uptuck • what up ninja • UPS Ninja • Ninja • ninja'd • ninja turtle • ninja dust • ninja fart
what up ninja
what up ninja by Big daddy665 July 20, 2021
ninja update
When something is updated without notice, like your video game or your rubric for your paper, making you fail
Ex.1 Dude 1: DUDE! I cant join the server! Did steam ninja update the game?
Dude 2: Yeah, they do that alot
Ex.2
Dude 1: DUDE! My professor updated the rubric for the paper without telling us! I am totally gonna fail!
Dude 2: Sucks for you.
Dude 2: Yeah, they do that alot
Ex.2
Dude 1: DUDE! My professor updated the rubric for the paper without telling us! I am totally gonna fail!
Dude 2: Sucks for you.
ninja update by Darku October 29, 2010
ninja uptuck
ninja uptuck by BobDylansSkidMarks January 31, 2014
More from Urban Dictionary
Bunhead
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
trucker's tan
A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
trucker's tan by population361 May 30, 2006
Word of the Day on October 5, 2026
kidulting
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
Boffin
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”
Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
Pee Calculus
When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026