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Unchanged or effectively unchanged. Used largely in financial markets.
The S&P 500 was unched today. It closed at the same level as yesterday.
unched by Chris McL December 13, 2008

Rapid Unscheduled Disassembly 

"RUD" for short. In high-power hobby rocketry, an unforeseen event usually attributed to an exploding rocket motor that send pieces of the rocket in every direction, quickly.
That rocket just suffered a "Rapid Unscheduled Disassembly"... DUCK

Unchecked Aggression 

This is when an individual exhibits irritability for a rational reason, but is unable to convey that their “aggression” is warranted to those in the vicinity, so it goes “unchecked”.

Someone with unchecked aggression is not necessarily dangerous, just misunderstood in the moment.
*man on street yelling and throwing fits in air from frustration due to a problem at work or home*

*beat cop walking on street witnesses act*

Cop: “hey sir, calm down”

Man on street: “FUCK, MIND YOUR OWN BUSINESS”

Cop: *uses radio*

“yeah dispatch, im gonna need backup squad cars and a K9 unit. We have an individual displaying unchecked aggression”

*Cop fires 6 warning shots into the chest of the man on the street*

Cop: “stop resisting!”

Bystander #1: “Wow. I’m glad that man is no longer alive. He was scary.”

Bystander #2: “ARE YOU KIDDING?! YOU SHOT HIM???? HE WASNT DOINT ANYTHING WRONG”
When you have been touched, fondled, fingered or coitaled by your uncle.
Hun, Aunt Rachel called and wants to know if you want to spend the weekend with cousin Tommy. No thanks mom. I get uncled every time I go there. I was really sore the last time. Ok. I’ll tell her maybe.

Pretty sure I got uncled last night about midnight. The door opened and then a pillow over my face and some quick moving hands.
Uncled by Eaton Holgoode June 15, 2018

uncledaddy 

the incestual phenonmenon of one man being both the uncle and daddy to a child; i.e., a man impregnates his sister and is thus, the uncledaddy to the resulting child.
Lila Mae gave her sweet uncledaddy a hummer, while basking beneath the sensual glow of the bug zapper in the backyard.
uncledaddy by Brian Wilson May 18, 2004

unceeded 

Land never released, given, sold etc to any colonial government by an Aboriginal community. Term used particularly in Canada but relevant to many states around the world.
Much of British Columbia is traditional unceeded First Nations land.
unceeded by Student0932840293. November 23, 2010
More from Urban Dictionary

fauxstalgia 

Faux nostalgia. Faking old things in an attempt to recapture the feeling of times gone past, especially of technology that has passed.
Hipstamatic pictures, just like the vinyl-static added to digital recordings, is prime fauxstalgia
fauxstalgia by scotte61 December 16, 2010
Word of the Day on October 15, 2026

pajama casual 

Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.
We have a Zoom meeting in a few minutes and I’ll probably go pajama casual.
pajama casual by jrod-knows March 31, 2020
Word of the Day on October 14, 2026

funflation 

The recent boom in consumer spending on entertainment and experiences with a high demand running up the cost of enjoying of those experiences.
I’m trying to go to this Taylor Swift concert but the funflation has made it so impossible for me to afford tickets.
funflation by Dfree523 November 17, 2023
Word of the Day on October 13, 2026
A US deep south term for an alligator. Usually used in the Cajun dialect.
Take the big pirogue, I saw a huge swamp dog out there earlier.
swamp dog by Crystal Ambrose May 22, 2006
Word of the Day on October 12, 2026

Throat Sweats 

The feeling and build up in your mouth/throat of saliva that sometimes accompanies nausea.
Oh man those burritos gave me the throat sweats, I hope I don’t have food poisoning.
Throat Sweats by TacoFings420 April 23, 2024
Word of the Day on October 11, 2026
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