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The Nelson 

This mythical creature is related closely The Shaw and The Gideon. These creatures are vile and idiotic at best. They can usually be found by following the horrific scent that permeates every fiber in their body. If cornered by these animals use soap and a toothbrush to run them off this is the recommended method. They can aslo be lulled by quoting Star Wars or Ninga Scroll.
"OMG, what is that smell.... wheres The Nelson"
The Nelson by mickey July 23, 2004

The Nelson Bird 

Alternate name for the black-capped chickadee. Named after Nelson Muntz, the bully on the Simpsons with the lackadasical and mocking laugh: "Ha-ha." The black-capped chickadee has two songs, the familiar 'chick-a-dee-dee-dee!' and a song that sounds like Nelson's 'Ha-ha." laugh. Listen here: http://www.learnbirdsongs.com/birdsong.php?id=12
Chris: Hey! That bird sounds just like Nelson on the Simpsons!
Mary: Yeah, that's The Nelson Bird! I think it's real name is the chickadee.
The Nelson Bird by ocius1 April 21, 2009

The Nelson Effect 

A recent gaming terminology where the player is on a current luck streak when all of a sudden their gaming prowess deteriorates by a factor of *10 for no discernible reason.
I was almost on a 20 kill, kill streak on CoD MW2 until I was hit by the nelson effect.
The Nelson Effect by Scout5566 February 13, 2020

the willy nelson 

an inescapable wrestling move

used to emphasized pwnedge during a wrestling match. Most commonly used in high school gym class

derived from "half nelson" and "full nelson"
Oh shit! He's got'em in the willy nelson
the willy nelson by zee pwnzer December 28, 2007

The Sam Nelson 

A variation of salad tossing, must be between two consenting males and must be in the infamous 69 position.
Person one: Damn bro you stick!
Person two: Dude i just hit the sam nelson!
The Sam Nelson by Bjdub April 18, 2009

the full nelson

the traditional act of eating out a girl's asshole with chops sticks and soy sauce(preferibly one of asian decent)
Marc put the full nelson on Patricia, with a side of kung poon shrimp.
the full nelson by marc February 3, 2005
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
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