Skip to main content
(Noun)
Origin: Unknown.
Date: Sometime in the early 21st century.
Alias: Geekisen.
Prononciation: Gay-Kee-Sen.
1: A large gathering of young, insecure males where anal sex is often practised upon one another. Rarely will females attend.
2: Comparsition of penis sizes.
3: A male organ.
4: Location where extremely arousing internet URLs are exchanged.
1: "Jesus Christ! They are having a rousing gekisen downtown, I must attend!".
2: "Let us do a gekisen to see who here has the largest penis."
3: "My gekisen is larger than yours Willis."
4:

Rick: "My Word! Where did you get those erotic internet links from?"
Mick: "I attended a gekisen, there were many arousing links to hot internet websites."
Gekisen by The Sender September 29, 2005
Urban Dictionary Merch
Your favorite words on things you can wear, drink from, read, or give to a friend.
The Urban Dictionary Store sells gifts you’ll have to explain.

Geisendorff 

A male with a penis long enough to fuck his own asshole. Note: must be long enough for actual insertion, cant just touch.
actually Im a Geisendorff so I can and I did
Geisendorff by El Senor 69 April 26, 2011
Related Words
To be homosexual, with long blonde hair, and a lose anal cavity
"Quit being a Geisen and put that cockmeat back where you found it. Also cut your geisen-ass hair and quit being a complete toolbag. Faggot."
geisen by PongoMan October 10, 2007

Geisendorff 

Keeper of the Swiss Goat Village.
He was the long standing Geisendorff on the mountain.
Geisendorff by Urban Corrector Editor September 7, 2018
an sailor that roams the ocean while intoxicated
That geisen crashed his drunkass on the rocky cliffs.
geisen by Rajeev Anchan December 13, 2008
More from Urban Dictionary

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
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
After we broke up, he was floxi to me.
floxi by Dr. Geek May 13, 2009
Word of the Day on September 28, 2026
NYC people who migrate north to Quahog, RI to see the leaves in the fall.
New York and everyone from there can fornicate themselves with an iron stick.
leafers by ss++ February 8, 2005
Word of the Day on September 27, 2026
Load more