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daddy-son 

A relationship between an older gay man and a younger gay man. Daddy-son relationships run the gamut from those based on mutual respect and appreciation to dominant/submissive role playing relationships. Daddy-son relationships are common in the gay community because many gay men are rejected by their natural fathers.
Gay #1: Have you met Jeff's new boyfriend? He's, like, 40. I didn't know he was into the whole daddy-son thing.

Gay #2: It doesn't suprise me. When we dated, Jeff wouldn't shut up about how his father never loved him. I hope he gets some fucking closure.
daddy-son by oedipus sex August 7, 2012

You yo daddy son 

A slag for calling someone ugly as referring to there family mainly their father as unappealing to others.

A term or saying that you use in calling someone out or poking fun at colleagues.
"You ugly ass mofo no arm lookin ass you yo daddy son."

"Your so ugly you yo daddy son."
You yo daddy son by Liam Franklin September 30, 2016

You yo daddy son 

Basically an insult calling you and your father ugly.
-(Explanation)-
You and your father look alike, and are genetically related, so (typically), if someone were to say “You ugly, you yo daddy son.” They Are calling you ugly initially, then linking that same adjective to your father.
Yo face nasty.
And you ugly and you yo daddy son.

you your daddy son 

You the son of your dad

Or A type of form of talking bad about some one
Person 1: you ugly u smell like hot dogs

Person 2: I know you ain’t talking you your daddy son

Daddy sonar 

When a man's dick responds to daddy or sense someone calling them daddy & moves to the person.
Daddy sonar by EE-chan November 26, 2016

The Die-Diddy-Die Song 

A song that's sung by children at school to annoy classmates and teachers that is created out of boredom or desire to annoy people to death. It's made to be very repetitive and obnoxious.
Please stop singing The Die-Diddy-Die Song! Nobody likes it!!!
The Die-Diddy-Die Song by Pabawo April 27, 2021
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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