Originating from the expanding brain meme, is a word that was once a compliment turned insult. Meaning to be an insult to those who believe they are smarter than they truly are.
"yeah, I thought he was cute but turns out he just another galaxy brained incel"
by twitter @bigmacthot September 20, 2019
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seeming compliment turned sarcastic insult. used often by leftists to insult of excessively stupid or shortsighted Neo-Liberal hot takes on current events, history, policies, or other politically relevant matters. derivative from the expanding brain meme, where the most absurd position/behavior/belief is derisively paired with the largest brain.
neolib: see, venezuela is collapsing, socialism never works. is that place the utopia you want?
lefty: galaxy brain position to think that country is even socialist.
by Diamond III Scrublady March 14, 2019
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it is a v v smart n unique way of thinking like if someone says something that you agree with or something thats like "outside of the box" you’d be like oof galaxy brain yanno ? but also it can be used for something that like sounds really good and cool but is actually like lowkey stupid yanno xjendkd like smart-dumb kinda thing

@shann.mc_
trinity: bonkers and bombastic r the best words
shannon: wow dude thats major galaxy brain😎✌️🙏
by tee limmie February 18, 2019
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an individual with a brain even bigger than those with a big brain. these brains are so big man cannot imagine how large they are.
"shit dude you got 100%? you a galaxy brain"
by softboi_iida January 16, 2021
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commonly used by among us youtubers when an imposter in the game wins
ex: omg hes galaxy brain how did we not know he was imposter when they told us they where imposter / a better example is too watch corpse husband a famous among us youtuber
by game slang/ language June 18, 2021
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Acela Corridor Galaxy Brains is a phrase coined by the renowned economist and scholar in Sino-US-Europe study Christopher Balding to refer to people from Boston to the DC along the east coast who have never left their towns such as Cambridge, the borough of Brooklyn, or Georgetown but think they know enough to run the world such as journos or tankies. Acela is the "high speed" train line with a top speed around 90 mph for brief stretches.
China, with Acela Corridor Galaxy Brains' assistance, is pushing this nonsensical line that "let's repair the relationship but not talk about anything of importance."
by hongz February 12, 2021
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