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white chalking 

To go and murder someone, the "white chalk" referring to the white chalk outline that is left at a crime scene by investigators after someone is murdered and the body is removed.
We're out here white chalking these ni**as.
white chalking by ecksdee_ September 14, 2018
The real definition of the word Chalinga is to mean something new. It is most commonly used in the regions of South America that speak Quechua.

Over time the word Chalinga has evolved in South America to become a slang word for something cool or awesome.
Ex 1: Your new skateboard is chalinga!

Ex 2: Person 1: "I made over $2000 in commission today because I sold so many cars!" Person 2: "Chalinga!!"
Chalinga by sportwhiz June 1, 2011
The ultimate form of hanging out. Also, extreme, excessive indulgence, usually during daylight hours - debauchery and revelry.
Frank was chaying in the park, red cup in hand, when he stumbled through a group of fourth graders playing dodge ball and got the cops called on him.
Chaying by theWallerus November 6, 2010

war chalking 

The practice of leaving coded chalk marks on or near buildings or sites where a "war driver" has identified available 802.11 wireless network access. The marks usually indicate the type of access and level of security.

This practice is decended from the way hobos used to chalk mark the curbs outside homes where an easy mark could be approached for food or other handouts.
I located a particularly handy open wifi network near the ballpark, so I warchalked it for my hacker brothers and sisters.
war chalking by SYFer August 9, 2003

chalking it 

At the start of intercourse you rub the tip of your penis on the women's vagina. Also spitting on it or licking fingers and rubbing on the tip to add moisture.
I was chalking it about to nail her and she stopped me and asked what her name was.
chalking it by big bend November 16, 2011
The act of taking a casual walk, usually in a group, where the main purpose is to enjoy the journey. Either there is no particular destination, or arriving there is not the primary objective. From the Hindi word chalo, meaning "let's go."
Dude 1: Shall we go chaloing today?
Dude 2: Yes! Chalo!
Dude 3: Why doesn't Mike ever go chaloing with us?
Dude 4: He's way too busy for chaloing.
chaloing by Johnny Electric January 16, 2011
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
Word of the Day on October 4, 2026
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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