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Reactor Core Game

Reactor core games in Roblox are almost always a game where you operate a ball powered by lasers that generates power. It can meltdown freezedown and stuff.
wanna play a Reactor Core Game?
sure! do we melt it or something?
by beikon999 March 12, 2026
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Reactzone

When someone only reacts to your message with emojis (👍❤️😂 etc.) instead of actually replying with words.
“She reactzoned my long text with just a 😭.”

Don’t reactzone me, at least type something.”
by Dorian JML September 15, 2025
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Fidelity Reaction

A band, formally AAO with some additions. Named after Fidel Castro and reaction.
wow...that Fidelity Reaction...if only Abruzzese was here...
by unicommando March 17, 2004
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Argin Reaction

The "Argin Reaction" occurs when the host having such reaction starts escalating something in which someone else has been talking about, the Argin Reaction can really get out of hand, but luckily, just find another person who says they finds this disturbing and the person with the Argin Reaction will have a chance to calm down, good examples of the Argin Reaction taking place is in a Truth or Dare game, or Would You Rather.
"I like you"
"WELL I LIKE ALL YOUR ENTIRE FAIMILY blah blah blah..."
"Oh no, it's the Argin Reaction!"
by NarwhalAreKool December 3, 2016
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rollover reaction

n. when your dream about someone you know skews how you feel about them all the next day, an emotion you are unable—and unwilling—to shake.
Person one: DUDE!

Person two: BRO!

Person one: I had this totally vivid dream last night about Mary Jane Watson and now I've got rollover reaction!
by Cortotto December 5, 2016
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Bowellergic Reaction

An upset stomach from bad food or irritable bowels syndrome. See Delhi belly.
I shouldn't have eaten the leftover food from Delhi Spice Explosion. I'm having a bowellergic reaction and may need to be in the bathroom for the next hour… or two.
by dixonkoontz August 20, 2018
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Cleetus Reaction

When regular food makes you bleed out the ass
My fucking god i just ate dinner and had an instant Cleetus Reaction
by Veronica Vaughan September 13, 2020
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