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An idiom used to explain how a seemingly negligible or "weightless" variable can have a massive, tangible impact on an outcome.
It refers to the physics concept of radiation pressure. Because light carries momentum, the sunlight hitting a city like Chicago on a clear day actually pushes down on it, adding roughly 300 lbs of physical force to the city's total weight.
Example 1:
Person A: "I only changed a single line of code and the entire server crashed. I don't get it."
Person B: "Chicago weighs more on a sunny day!"

Example 2:
Person A: "I barely touched the gas pedal and we spun out!"
Person B: "Chicago weighs more on a sunny day, man."

Example 3:
Him: "She broke up with me just because I didn't hold the door open?"
Her: "Chicago weighs more on a sunny day."

Example 4:
"If I had found my keys ten seconds faster, I'd be here. Chicago weighs more on a sunny day."
by anonymous202997 December 4, 2025
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Like A Chicken On A Thursday

Man, John you haven't turned in your homework yet? You like a chicken on a thursday bro!
by Misl_fc16 January 10, 2026
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Related Words
ona onalenna Onanism Onalee onage Onager Onaika Onaiza Onana onani
The worst type of pain. If someone tells you that they hope you hit your ankle on a scooter, they most likely want you to die. You are highly recommended to stay away from people who have ever said that to you, or anyone you know.
Arvin: I hope you hit your ankle on a scooter!
Mikael: *runs away, moves to another country*
by Neo1313 November 11, 2019
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A monke never gives up on a good banana

When a primate knows that the primate they most desire is a good one, they fight for it, and ensure both primates have the chance at happiness and sharing the banana.
A very silly monke messed up badly and lost his favourite banana, but he couldn't give up...he made himself better and eventually was reunited with his prize banana and made sure he never did anything so silly again...a monke never gives up on a good banana
by A very silly monke July 29, 2021
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Grape tree in the city of Illinois on a Friday

A toxic scumbag who got cheated on and is trying to sabotage the cheaters life and uses their friends as spy’s and lies about everything.
Your being such a grape tree in the city of Illinois on a Friday right now and I’m not having it.
by 2014 Toyota Corolla January 14, 2023
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get the get the this def on a mug mug

mug-ception
it says “ get the get the get the this def on a mug mug on a mug”, right?
why are you searching “ get the get the this def on a mug mug” on urban dictionary? don’t you have homework due?
by thebananaman March 3, 2023
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You wouldn't tow your tractor twice on a Tuesday

South West saying. When you've already done something once and there's no need to do it again
"I'm gonna go ask for her number again"

"Mate come on, you wouldn't tow your tractor twice on a Tuesday"
by Bovlin January 10, 2024
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