Vestigial brain

Used to describe someone who has lost the ability to think or seemingly without a working brain. Could also describe herd thinking (another word to add) or cult members who no longer think for themselves.
Homer doesn't think anymore... no, he has a vestigial brain.
by uuuddd July 17, 2020
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Covid Brain

Not doing your job correctly because not being in an office is making you dumb.
I received a letter from HR saying i am no longer enrolled in my retirement program?! Someone over there is suffering from some serious Covid brain.
by Wise Guy Blue January 11, 2021
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Brain Drain

A turn of phrase meant to insult either yourself or others for their foolishness or stupidity to the point of it seeming as if there brain is leaking out of their own skull, hence brain drain
A friend that is ordinarily quite adept at chess, horribly blunders an obvious play, the only possible explanation being a severe brain drain at the time.

Hungario: The pawn was adjacent to your queen, there want even any threat of taking it, what happened?
Klempt: My bad, serious case of Brain Drain over here i guess.
by BiasHyperion October 27, 2023
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dude brain

Dudebrain is when you are thinking about sex during a totally innocent and nonchalant conversation with a woman or a man (if tthats your preference).
"Man sorry that chick that walked by got me dude brained."
"Sorry I haven't gotten laid in a while. Dude brain happens."
by jennaveveism March 11, 2014
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brain hat

Yesterday I was on a bike and I was doing this mad trick - it was gnarly - and I fractured my brain hat.
by Brainhat August 08, 2018
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Brain Pollution

A person who talks about the same thing in same way/or rephrased way, for two or more times without any reason, even when the audience has completely understood the point he/she is making.
That dude mass brain pollution because he keeps repeating himself. He was saying, "So we all went to this great place, then we went there and after we went there, actually we went there and something happened before we went there, so let me fort tell you what happened when we went there."
by Zangetsu71 June 30, 2012
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