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extra greeting 

A very special greeting you receive from Kurtis Conner ONLY once you subscribe to him.
“Dude, I just subscribed to Kurtis Conner and now I get an extra greeting at the beginning of each video!”
extra greeting by mrstruggle April 10, 2019

Greeting Radius 

The distance of your radius that you will acknowledge the people you know and greet them. Greeting radii almost always depend on person. Usually, your greeting radius varies based on how much you like the person. Someone you are close friends with, will probably have a greeting radius of over 50ft. For people you don't like, it would probably be something like 10ft if it's crowded where you are.
Steve: Oh dude, I had to say hi to Kent today?
Jon: Aww, you said hi to Kunt? He probably thinks you like him now.
Steve: I know, but I kinda used to know him, plus, he got in my greeting radius
Jon: Shit, sucks for you, haha
Steve: Yeah, GOD today was a bad day

greeting disorder

When a person cannot perform a proper greeting - handshake, high-five, etc.

Can also be applicable to verbal greetings as well.
Physical - "Man, Cletus always crushes my hand when he shakes it, I think he has a greeting disorder."

Verbal - "Steve always calls everyone a D-Bag when he meets them. That jerk has a real greeting disorder."
greeting disorder by hawtcore December 12, 2010

Pterodactyl Greeting 

A sound that emits from the mouth of one or more females when they run into one another after not seeing each other for no more than 2 hours. Even worse when the two females have not seen each other in months.
Observer #1: "WTF is that noise coming from those girls?"
Observer #2: "That my friend is the pterodactyl greeting for when two girls haven't seen each other since their first class of the day." (Observer #2 proceeds to flap their arms like a pterodactyl and mimic the screeching of the prehistoric beast.)
Pterodactyl Greeting by iseeeverthing December 24, 2010

greenin out 

When a person smokes way too much marijuana and as a result, feel extremely nauseated, flushed and or chilled, and may even throw up.
Basically, it feels alot like the flu just walked up and punched you in the gut, the best thing to do is lie down, and even sleep if possible.
Me on the bus ride home last Friday. You do NOT want to be greenin out when you're in a vehicle.

Grimace of Greeting 

A weird face that sends a greeting or hello to another person without speaking, usually a friend or good acquaintance. While the nod of acknowledgement (sic) is used primarily between men, this is acceptable use for both genders.
It is not a symbol of respect, but a friendly way to give someone a little attention, usually when there is not time to stop and chat.

Not advised to be used towards superiors, stuffy people, or strangers, as the face will result in puzzlement of the receiving party.
I passed Katy in the hallway on the way to Physics, and we exchanged our grimaces of greeting, as I had two minutes to get there.

Johngave his grimace of greeting to an intern as class began and only got a concerned look in return.
Grimace of Greeting by DasRaskalKing December 31, 2009
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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