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A word similar to childish, used to define someone who acts like a kid in most cases. However it does not have to mean immature but simply acting like someone of a young age, or showing something that relates to a kid.
Examples:

My girlfriend wanted me to go to the playground with her then go back to her place and eat cookies and milk to me that just seems kiddish.

The toy aisle at walmart is very kiddish
Kiddish by Zyonryu December 5, 2009
Words you can keep

Mach kiddish 

Consuming a large amount of alcohol (6 ounces or more) in one shoot
Bro 1 Mach kiddish

Bro 2 but I'll get shmacked
Bro 1 nuuuu Mach kiddish already
Mach kiddish by BigZenergy March 17, 2022

Kiddush club

a slang term applied to an informal group of Jewish adults who congregate during the Sabbath prayer services to make kiddush over wine or liquor, and socialize. Traditionally it has been a male-bonding experience.
JEW 1: "ready for Kiddush Club?"
JEW 2: "Yaakoff, get the Henny, yeshiva, reveal your garments at once!"
Kiddush club by PieCrustEater May 15, 2020

Kindishinally (kind-ish-N-ally) 

To be kind to someone for only curtain circumstances or conditions.
"He's so kindishinally (kind-ish-N-ally) with you!!!!!"
Person 1:“Is that a spoiler?”
Person 2:“Kindish”
Kindish by Bxkxgx June 20, 2021

kiddoish 

Kiddoish is a word that Matthew calls everyone on this entire earth!
“Your so kiddoish”
kiddoish by Milk pepper March 20, 2023
1) A small party after Jewish prayers that includes saying a small prayer over wine (or grape juice).
Dani: Are you going to the kiddush after the bris?
Tova: No, I can't. I have to go to work.
kiddush by Brown Eyed Girl June 13, 2005
More from Urban Dictionary

Back when I lived in upstate new york 

A meaningless, unimpressive, self-serving introduction. An indicator that the story about to be shared will be pointless and dumb.
Back when I lived in upstate new york, I also had to park on the street - on two occasions, we got enough snow, mixed with just the right plowing, that my car was lifted off the ground from so much snow being jammed underneath it.
Word of the Day on August 31, 2026
Acronym, meaning Too Long Didn't Understand
Similar to TLDR
Sister: This meeting was to discuss the rough draft of my essay, where we discussed the subsidiary questions I added in my rough draft. We also discussed the relationship between my main title and the real-life situations I chose to use in my essay. We discussed the structure of my essay as well, specifically the Math AOK section and how it relates to the contradiction of the title. This second meeting was particularly helpful in discussing the implications of my essay claims and how to apply the title across various areas of knowledge. There were many sections of the essay that could have been cut down in wordiness and the ways of knowing required further and more in-depth analysis.

Me: Woah! TLDU!
TLDU by L-Evans January 14, 2019
Word of the Day on August 30, 2026
the act of having anonymous sexual encounters with other men in public toilets.
Cottaging by greeef April 24, 2003
Word of the Day on August 29, 2026

Salad Days 

green inexperienced youthful judgement and cold blooded execution of those judgements.

Rashness with little concern of consequence.

Antony and Cleopatra. William Shakespeare

"My salad days,
When I was green in judgment, cold in blood."

- William Shakespeare, Antony and Cleopatra, 1.5
"How did you end up in jail?"

"Salad days, 'nuf said."
Salad Days by GilbyRFC0 October 7, 2011
Word of the Day on August 28, 2026

age gate 

An absolutely foolproof way to keep minors from viewing content deemed "too mature" for them to watch.
Billy: "So I was trying to watch some videos for an M rated game, and I ran into an age gate, so I put in my real birthday. SOMEHOW it managed to figure out that I am 12. CURSE YOU AGE GATE!!!"

Bill: "Fucking age gate! *quick scroll* THERE! I was born on January 1, 1904. Fuck you age gate."
age gate by Banja January 7, 2011
Word of the Day on August 27, 2026

board chow 

A)
The Crud that collects under the keys in a keyboard. Usually more severe in the keyboards of programmers and webmasters as they tend to spend a lot of time at the the computer and thus eat at their desk. Mainly affecting IBM Model M (clicly) style boards.

B)
Can also be used to gross out Non-Techie people
A)
Bill: want to go to the club?
Bob: No, I've got to clean out my board chow, keys are starting to stick.

B)
Bill: Want to go out to get a bite?
Bob: No, i am just going to have some of my board chow/
Bill: Whats' that?
Bob: The food scraps that collect in my keyboard; Want some?
Bill: *GAG* *HURL* *GAG*
board chow by BinaryHackerMan September 3, 2007
Word of the Day on August 26, 2026
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