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Small Brain 

When taken almost literally, it means someone is unintelligent or unequipped to talk to a specific person or about a subject. Although it has ironic connotations to mean that the interlocutor or the person they are speaking with is on another level/wavelength.
Compared to my friend, big brain Bojack, who is simultaneously discussing Kant's Deontology and Quantum Mechanical superposition, I have a small brain.
Small Brain by Jorolb November 30, 2020

Small brain 

Someone who always think of the negative side of everything
Lianne feeds on gossip and keeps on spreading false stories. She has a small brain.
Small brain by Queen214 November 5, 2018

Small Brain 

A certain definition for that doesn't happen to be the truth. Certain definitions on Urban Dictionary don't happen to be the truth. Certain messages on Urban Dictionary don't happen to be the truth. A certain definition for that doesn't happen to be the truth. Not "When someone is a small brain they are not smart and have the smallest of brain's" from WhyAPenny. Also not "People with small brain typically are named Roger and Bo" from WhyAPenny. /
There is a Small Brain.
Small Brain by JordanJohnsonistheone September 6, 2022

Small-brain

An idiot doing stupid things, guess a funny, inappropriate, and wrong answers according to the questions from school, colleges, trivia, or game show, and doing other sorts of shenanigans like harassment, flaming, trolling, and other sorts of going into the wrong side of the law that has to do with ignoring the signs, warning signs, caution signs, and danger signs. Also it has to do with pranking the wrong people that resulted a instant karma that can lash at the pranksters in a mean and hurtful way. And coming up with a inappropriate, funny, and illegal projects, like games, movies, artwork, music, and food that resulted in a hefty negative reviews that viewers, audience, and people think this is a absolute joke and a prank. Lastly, doing inappropriate and funny speeches that makes no sense or makes absolutely useless and dumb, including street performing gone wrong, argument in the funeral, and other sort of really dumb things that made them a laughingstock, or be hated forever.
"Listen, small-brain! Can't you read?"
Small-brain by MaxfireXSA October 10, 2026

small brain genius 

you're dumb but you do something smart for once
that dude over there is a small brain genius, he accidentally poured some substance into whatever tf that is and created it into a new material.he is getting the nobel peace prize rn
small brain genius by RadicalMuffin December 6, 2020

Pierson's Small Brain 

Pierson's small brain is another word for a brain that has been deformed. The person with Pierson's Small Brain usually have learning disabilities and wont be able to keep up with the other kids in their school.
Im sorry, i have one of Pierson's Small Brains
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