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Numbners 

When you sit on your hand so long it goes numb and you jerk off with it so it feels like its not your hand.
Mark sits on his hand for over an hour while watching porn to really get the numbners going.
Numbners by stakjoy April 27, 2011

Paint by Numbers 

Referring to something that lacks sophistication or originality. Typically describing a crudely made product of art.
That action film was such a cliche. It was clearly a paint by numbers.
Paint by Numbers by HitchSlapper February 21, 2018

rolling numbers 

Verb: Slang for crafting a marijuana cigarette.
Whatever happened to all this season's losers of the year?
Ev'ry time I got to thinking, where'd they disappear?
When I woke up, Mom and Dad are rolling on the couch
Rolling numbers, rock and rolling, got my Kiss records out

The shinobi law of numbers 

The fighting capacity of the individual ninja is inversely proportionate to the number of similarly dressed shinobi present. Other wise known as the inverse law of ninjas.
The shinobi law of numbers says that all except one ninja will be cannon fodder, and the last one remaining will utterly wtfpwn everything else around him.
The shinobi law of numbers by Eloka December 13, 2008

running numbers

the number runners that worked for organized crime in the 20's and 30's. During this time the Mafia and other gangs controlled a lottery like game which was called the numbers.

The people who worked for the numbers racket were called number runners. They collected the bets from the gamblers and delivered the payoff when the gamblers won. Sometimes, these number runners were said to be "running numbers."

the winning numbers were often determined by the final digits of the winning payoff results of horse races. It is also true that when you compare the numbers game which was an illegal lottery to today's legal state controlled lottery, it did offer higher payoffs.

But, the numbers runners were not bookies. A bookie is a person who takes illegal bets on horse racing or sporting events. Contrairy to what the Wikipedia says, these two professions were not combined because the numbers game and sports betting were usually controlled by different people. Also the bookies took bigger bets and looked down on the number runners who survived by taking many small bets; hence the terms "numbers runner" and "book maker" refer to different people.
Running numbers in a Bronx tale, any old gangster movie
running numbers by Sparkyyyyyyy519 September 16, 2013

Bone Numbers

A phone number you get from a girl who you want to have sexual intercourse with.
"I went to the club last night, picked up a couple of bone numbers"
Bone Numbers by Martin Paul-Jean April 15, 2009
More from Urban Dictionary
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.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

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.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
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
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.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026

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.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
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