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Cross-Out 

In graffiti, a writer crosses out or paints over another writer's work. This is often done to declare that one writer is more talented or more up than the one being crossed-out. Good graff crews do this to claim territory or beef with a toy crew. It's necessary.
Dumb Toy 1: I can't hit that wall!
Dumb Toy 2: Why?
Dumb Toy 1: Because I'm a toy and someone will cross-out my name!
Cross-Out by blind206 November 14, 2006
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cross out 

When in prison, someone turns you in for an offense (either real or fictional) in order to get you put in seg (administrative segregation). Usually done as an act of retribution.
Michele fucked Patty's bitch and Patty found out, so Michele knew a cross out by Patty or one her friends was coming that could land her in seg for 60 days.
cross out by varsol blue August 13, 2015

Departmental out-cross 

The opposite of department-cest. Dating/fucking someone outside your academic department. Usually applied in reference to graduate students.

From the genetics term "outcross" referring to a mating between individuals from two different linages or populations.
Damn, you have screwed every chick in the department aside from your officemates! Time for a departmental out-cross!
Departmental out-cross by Mike4587 December 2, 2010

crass out 

the act of crying so much that you pass out.
dude my smoking hot girlfriend lucy broke up with me and i was gonna crass out
crass out by yourfrickingmum December 3, 2020

Crossout 

When Minecraft and Mad Max had sex
"Do you wanna play Crossout with me?"
Crossout by Pgamer24 October 2, 2020

Nobleman of Crossout 

A Magic Card in Yu-Gi-Oh!-Duel Monsters which removes a facedown monster from the game not sends it to the graveyard. If a monster with a Flip Effect is removed, remove all copies of that card from each player's deck.
Damn, you just Noblemaned my "Witch of the Black Forest."

Crossout 

A Game Developed By Targem, And Published By Gaijin (Also Published War Thunder). Basically You Create Your Own Mass Vehicle Of Destruction, And Destroy Other People With It. Theres Flamethrower Cars, Hovering Ships With Cannons On Them, Walking Spider Tanks With Miniguns. You Name It, Crossout's Got It.
Player 1: "Duuuude, I Just Got My First Relic On Crossout."
Player 2: "Oooh Which One."
Player 1: "The Mastodon, Had To Go With It."
Player 2: "Why The Mastodon? I Heard That Thing Sucks."
Player 1: "Nuh Uh! 2 Firing Modes? 2 Barrels? I Can Heat Up Parts With The First Shot And Do Damage With The Second Shot! It's Worth The 30K Coins I Paid For It"
Player 2: "That Does Sound Kinda Cool... AND DID YOU SAY 30K FUCKING COINS?!"
Player 1: "Sure Did Lol"
Crossout by ||||CHXARGED|||| November 17, 2021
More from Urban Dictionary
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
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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