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uranium 238

Uranium 238, or u-238, is the most common isotope of uranium. If you shoot a neutron at it, it becomes u-239 and then something else called neptunium 239 and then plutonium 239, which is extremely fissile.
Slash: Man I'm bored. I wish I had some uranium 238 to blow something up.
Torch: Wtf? You wanna end up like that radioactive scout guy? Besides u-238 ain't the stuff used in atom bombs, it's u-235. You use u-238 to make plutonium.
Slash: Plutonium? Now you're talking! Get me some of that shit!
by The Mr Needles Experience October 4, 2006
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The first 4 elements that sixth graders would try and look for when seeing the periodic table for the first time.
Kid 1: Hey, that's element F! I think it's pronounced fluorine!
Kid 2: I found C! C is for carbon!
Kid 1: And that's K! It stands for...potassium? What?
Kid 2: Is there a U somewhere?
Kid 1: I still don't get it, why is potassium called K?
Kid 3: Guys I found it! Down here! It's called uranium!
Kid 2: Oh yeah!
Kids 1, 2, and 3: (chanting) Fluorine uranium carbon potassium! Fluorine uranium...
by 1plus1DoesNotEqualPotato September 12, 2016
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Fluorine (F) uranium (U) Carbon (C) potassium (K), spells the word Fuck and is sometimes followed by yttrium (Y) oxygen (O) uranium (U) spells the word "you" and is a fun thing to yell and confuse everybody and there is that one person that laughs
Drew: fluorine uranium carbon potassium

Durham: wait what

Clint: haha
by Immense fiend December 13, 2015
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Uranium

A very tasty snack
by helloAzimo April 17, 2023
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Nobellium Uranium

how to say No u in a fucking smartass way
Jake Paul: Ur Mum Gay
______________ *insert ur name*: NOBELLIUM URANIUM
by Nobellium Uranium October 16, 2018
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Nobelium Uranium

The better and smarter version of the ultimate comeback: No u.

When said it makes you sound smarter and also confuses the crap out of the victim, if their IQ is not above 9000.
Person 1: You’re mom is straightn’t
Person 2: No u
Person 1: Yesn’t u
Person 2: No u^2
Person 1: Nobelium Uranium
Person 2: Oof
by iGood July 27, 2018
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