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I'm not your friend, buddy 

I'm not your friend buddy is an internet phenomenon that was inspired by an episode of "South Park". Usually occuring on message boards, the first person says "I'm not your friend buddy" and the next person will use the use the last word in the first comment as the first word in their comment, and will switch the their last word with either "pal", or "guy".
-I'm not your friend, buddy
-I'm not your buddy, pal
-I'm not your pal, guy
-I'm not your guy, friend
-I'm not your friend, pal
-I'm not your pal, buddy
Etc.

It's not your fault 

I line used in psychology to make someone break down and open up emotionally if repeated over and over again.
Person 1: Hey look, it's not your fault
Person 2: I know
Person 1: It's not your fault
Person 2: Yeah, I know.
Person 1: No, you don't, it's not your fault
Person 2: I KNOW!
Person 1: It's not your fault
Person 2: Don't fuck with me man, not you man.
Person 1: It's not your fault
Person 2: *breaks down into tears* crying, It's just so hard
Person 1: It's ok
It's not your fault by thehellboya October 28, 2012

Not Your Square 

When someone is out of their usual style. Or when people attempt things that are not "them".
Zak: "Yo is that skinny jeans you got on?"
Ibby: "Yeah, they fit dumb good."
Zak: "Yo thats not your square."
Not Your Square by LilKetchup August 13, 2009

that's not your pidgeon 

phrase used to point out to someone that they are out of their jurisdiction or speaking out of place. Used in instances when someone is making comments or decisions that are not related to their expertise, knowledge base, or responsibility.
Burns: "I wish Marge were here to give me a back massage."

Smithers: "Mr. Burns, I would be happy to give you a back massage."

Burns: "Smithers, that's not your pidgeon."
that's not your pidgeon by frannykt October 18, 2006

See with your eyes not your hands 

You can look but don't touch. Particularly used when someone asks to SEE something with their hand extended. A hilarious quote from Mr. Burns on The Simpsons TV show.
Castro (reaching for the trillion $ bill): May I see it?

Mr. Burns: See with your eyes not your hands!

Act your age, not your shoe size 

Stop behaving immaturely. Said to adults who are acting like overgrown children and to school-age children who are acting like overgrown toddlers.
It's time for you to get serious and stop being silly. Grow up, pal! Act your age, not your shoe size!
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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