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Smooth brain

A cute brain

J: O, you have a smooth brain
O: Does this mean I have a cute brain?
*L, M, N, O, and P all start laughing*

by Ace the simp May 06, 2023


Smooth brain

In recent studies on the media dominating instant messaging platforms like Instagram, I have came to the conclusion that the media can have a negative effect on youth. The media is feeding these youth groups information that results in degrading of the brain. I dub this effect the “smooth brain” effect.

That teenage girl was poisoned by the media and she now suffers from a smooth brain.

by Dr. Wombology March 20, 2022


Smooth brain

a very cute brain

Smooth brain:
my brain: smooth, no weinkls, cute, cant think=no sad

Wrinkle brain:
yuor brain: BUMPY WEIRD, GROSS WRINKLES, UGLY!!!!!!!!, THINKS! = SAD!!

by funky homesickle November 28, 2020


Smooth brain

Some random person that they decided to just smooth out their brain in exchange for actual intelligence.

Random internet person: haaha poopy haha smooth brain
A human: what

by YoursTrulyTheJoking November 18, 2020


Smooth Brain

A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.

That fucking smooth brain put his shirt on backwards again...

That smooth brain is dumber than a pile of shit.

by Tip Tank May 15, 2011


smooth-brained

An insult referring to the absence of wrinkles present in the human telencephalon(cerebrum) -- the largest region of the mammalian brain. Literally implying idiocy at a physiological level.

Those smooth-brained idiots voted for G.W. Bush twice!

by drastic_quench May 23, 2008


Smooth Brain

Opposite of big brain. Smooth brain refers to an idiot or someone dumb. Neuroscientists believe the more folds you have in your brain means the smarter you are. Therefore if you are called smooth brain, you have less folds and therefore dumb.

How did you forget to lock the door? Good move, smooth brain.

You don’t know basic math? Smooth brain 🙄

by TheoPham September 14, 2019