bird brain

Somebody who doesn't understand math and will never understand. He will utter stuff like: The proof is brilliant. It uses mainstream mythmatics to demonstrate the bullshit being taught by the BIG STUPID. It accepts infinity as being valid.

John Gabriel, you wont get it with your bird brain.

by Harry Stoteles December 20, 2016

durr brain

Someone who is un witty or can't understand alot

Your a durr brain if you can't answer a simple question

by Kirstmc May 11, 2018

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.

by Jorolb November 30, 2020

pigeon brain

The brain of a pigeon is about the size of the tip of an index finger. A pigeon brain refers to the proud owner of a cerebrum of that size.

"Did you see the Sean Hannity segment?"
"Who is that?"
"The Fox News anchor"
"..."
"You know, the pigeon brain one"
"Aah yes!"

by Omlax October 27, 2020

Ape brain

A human who is so idiotic their brain could be compared to that of an ape's.

John: My boss says he wants me to come to work with no face mask, even though there's an AIDS+ebola+covid+black plague outbreak.

Jack: Your boss sure sounds like an ape brain to me.

by RedBonnet May 10, 2020

Bacon Brain

Someone who makes illogical comments against veganism, vegetarianism or animal rights on social media or in person, as a result of over-consumption of meat products causing fatty build ups in the brain

Joe Rogan has a severe case of bacon brain

by Ethica Lee September 4, 2020

brain-fucked

One who believes brain-fuckers, usually because they are too lazy to think critically. They are easily persuaded by arguments that are: (1) emotional rhetoric that contain few (if any) facts, (2), conspiracy theories and accusations against opponents that are not supported by evidence, (3) arguments that opponents are members of "discredited" groups (i.e. globalists, liberals, racists, etc.)

"That guy is always repeating what Joe Bigot said on talk-radio."
"Yeah, he is thoroughly brain-fucked!

by Dr Wierdsmith December 14, 2019