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left nut 

n. a part of one's anatomy that one would sacrifice to experience something exceptional
I'd give my friggin' left nut to see that shit!
left nut by Your MOM! December 16, 2002

left nut 

part of your ball sack. not the good right one, the left one
left nut by mjh657 May 10, 2019

left nut 

the back seat of a car directly behind the driver. The seat behind shotgun is known as right nut, where the middle back seat is known as "bitch".
friend 1 "aight I got shotgun!"
friend 2 "left nut!"
friend 3 "right nut!"
friend 4 "damn it, i got bitch."
left nut by Mike Montgomery December 28, 2005

Left Nut 

Your left testicular gland part of a pair.
"Aww man, I'm young and my left nut really hurts as I'm typing this and is radiating to my right nut."
Left Nut by fagkunt22 May 28, 2019

Left Nut 

The act of beating someones ass, without using any effort.
You use as much effort as your left nut.
Friend 1: Hey you gonna beat his ass?
Friend 2: Yeah hes soft, Ill put that left nut action in on him!
Friend 1: damn nice!
Left Nut by BigD19 December 18, 2012

left nut 

the position of a passenger in the back seat of a vehicle directly behind the driver
"I don't want left nut! <Insert driver's name here> always pushes their seat back!"
left nut by dopeLabber November 28, 2001
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
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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