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Maasai jumping-jack 

Named after the Maasai jumping dance performed by the maassai tribe. One's penis is tucked between the thighs and as the person jumps up and down a 'handless wank' is achieved. Usually carried out in frustration after hand functionality is comprimised for extended periods. Quite difficult at first but can be perfected with practice.

The first Maasai jumping-jack was performed by Charley Boorman while filming the long way round through Africa. Charlie was whining about his bitchy little limp wrists one night and Ewan denied him a dutch rudder. So, inspired by the Maasai people he'd seen that day, the Maasai jumping-jack was born.
After that motorbike crash where he broke both his wrists, Paul became a pro at the Maasai jumping-jack.

"If Liam didn't show me how to Maasai jumping-jack myself after I burned my hands, I don't think I could've coped."
Related Words

masfatin 

Strong heart, beautiful and yet lovely. She can be anything that she want. Beautiful eyes, eat hard and also easy to fall asleep. Hard to know closely to her. Adorable person that make anyone fall in love with her. Once she hold and keep you in her heart, she will love you untill you forget the world. A leader characteristic. She love family more than evrything. Shes also the girl that only one that you can find in the whole world.
A star that shining from blue sky for infinity, the hope that lighted up when you stare it, even you give a last breath in this world the star would still keep shining bright in you heart, and it would be the only star that named Masfatin
masfatin by skytree December 30, 2017
Maafa is a Kiswahili for term meaning "Great Disaster. It has come to be associated with the era of the European and Arab slave trade. The resulting effect on African people: over 100 million people lost their lives and their descendants have been systematically and continuously assaulted through institutionalized anti-Africanism.

Ubuntu is the opposite of Maafa and was the dominant paradigm in Africa leading up to it.
Examples of the Maafa include Jim Crow segregation, lynching, apartheid, colonialism, neo-colonialism, lynching, forced sterilizations, slavery, Post Traumatic Slave Syndrome and Stockholm syndrome.
maafa by Bendera Ya Taifa March 19, 2014
Maafan - pronounced ma'afan, taken from arabic and often used in hebrew language.
means something or someone from a low level or quality.
often used in slang or street language
example:
This is just a maafan watch
maafan by brynnson September 26, 2007

maaskantje 

Famous home town of dutch anti-social celebrities from New Kids.
"Maaskantje, kut!"
maaskantje by MKZZZ May 5, 2021
A smart cute dark skin who seems like they don't care but deep down inside he really loves you.
"Maasai do you love me"
" Yes I do"
More from Urban Dictionary
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
Literally "dirty" pronounced with a West Indian accent. Can also have a positive connotation, for example Sean Paul's album title "Dutty Rock".
"The girl is pretty but she corrupt and dutty!"

or, in a positive usage:

"Booya! That freestyle was dutty!"
Dutty by J Hall April 3, 2003
Word of the Day on October 1, 2026
korean word for madam, older woman
Ajumma wait a moment
Ajumma by aintnotinbutnice July 5, 2009
Word of the Day on September 30, 2026

Slop Grenade

When someone uses AI to generate a large document, slide deck, or piece of code/software and tosses it over the fence for you to deal with.
Chad: Hey Brent I sent you the new backend API change to review, it’s only 100 files changed.

Brent: he just tossed me a slop grenade
Slop Grenade by Joe Squid September 28, 2026
Word of the Day on September 29, 2026
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