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A string of elements that spell the lyrics to Rick Astley’s “Never Gonna Give You Up” which is funny as shit
NEvERgONNAgIVEuUP
Jim: Hey dude!
Not Jim: Hey man! Can you tell me what Neon Vanadium Erbium Roentgenium Oxygen Nitrogen Nitrogen Silver Iodine Vanadium Europium Uranium Phosphorus spells in the periodic table?
by Nemesis from Resident Evil 3 November 10, 2022
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Ukrainian peek-a-boo

Classic scam mastered by Frank Gallagher from Shameless. Involves jumping out in front of a moving car as your partner distracts them, then shaking them down for cash. Also the slang term for the surprise Trump got when several respected diplomats jumped out and testified against him regarding his extortion campaign in Ukraine.
Definition 1:

Frank: Bro, I'm short on cash. Let's do a Ukrainian peek-a-boo!
Frank's creepy friend: Nah, man, people don't carry cash anymore; it's not worth it.

Definition 2:

Rob: Dude, did you see what happened with Trump!?
Tom: Yeah man, he got a serious Ukrainian peek-a-boo!
by Notdevinnunes November 24, 2019
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uranium 235

Usually referred to as just u235. It is an isotope of uranium that differs from the element's other common isotope, u238, by its ability to cause a rapidly expanding fission chain reaction. A uranium nucleus that absorbs a neutron splits into two lighter nuclei; this is called nuclear fission. It releases either two or three neutrons which continue the reaction. In nuclear reactors, the reaction is slowed down by the addition of control rods which are made of elements such as boron, cadmium, and hafnium which can absorb a large number of neutrons. In nuclear bombs, the reaction is uncontrolled and the large amount of energy released creates a nuclear explosion.

One atom of U-235 generates 200 MeV = 3.2 × 10-11 J, i.e. 18 TJ/mol = 77 TJ/kg.

Only around 0.72% of all natural uranium is uranium-235, the rest being mostly uranium-238. This concentration is insufficient for a self sustaining reaction; enrichment, which just means separating out the uranium-238, must take place to get a usable concentration of uranium-235. For an explosion, approximately 90% purity is required.
U235, oh yea that's the stuff...
by werwertwgg432 January 31, 2005
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Slava Ukraini

Person 1: Slava Ukraini!
Person 2: Heroiam Slava!
by Kings Ball Hockey November 4, 2022
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Ukrainian Switcheroo

When a man who is having rough anal sex with either a man or a woman, and before ejaculating, the man withdraws and cums into the woman/mans nasal passage, then the man or woman then snot rockets the semen into the mans mouth.
Dude, my girlfriend can't smell anymore because of the Ukrainian Switcheroo I gave her last night.
by Mr. Iamsodamnsick January 22, 2013
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Token Ukrainian Friend

A way of "supporting the current thing" by having that dude from Ukraine around during early days of WWIII
Austin: I had my Token Ukrainian Friend before it was mainstream
by ghostOfKyiv March 25, 2022
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Uranium

A show on Fuse where Juliya, the host, interviews bands badly.
Juliya interviewed System of a Down twice, and the second time, she, Serj, and Daron got in a fight.

Juliya: You keep giving me one word answers!
Serj: What if one word answers the question?
Daron: We do an interview any way we want to, just like we make our music. We don't make it for radio, we don't make it for Uranium, we make it for us...to answer all your questions about why the band is big...because we're honest.
by Ditzymon March 25, 2007
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