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Runner's Brain

A temporary reduction in mental capacity due to having recently run several miles.
After my run yesterday, I spent half an hour wandering around the grocery store trying to decide what to eat for dinner, only to remember that I had just gone to the grocery store that morning. So then I went to In-n-Out. I think I'm coming down with a case of Runner's Brain.
by An Avid Runner April 8, 2013
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Car Brain

An American living the suburbs who is incapable of thinking about getting from place to place without taking his or her car. Complains about safety on transit all the time, and opposes all "socialist" transit projects, even though it would benefit them without the carbrain needing to take action. May alsoo be a NIMBY, but not necessarily, and should not be used interchangeably.
Person 1: The subway is filled with druggies and homeless people. In my car, I'm in my own safe bubble.
Person 2: You are SUCH a fucking car brain!
by URBANist_ November 3, 2025
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Enemy Brain

The part of your brain which produces negative thoughts, almost like the devil in the devil vs angel trope. Often associated with poor mental health the enemy brain makes you see yourself in the worst light it can.

Theme of Fox Stevenson song "Enemy Brain"
I wish my enemy brain would stop making me hate myself.
by UDpanoke December 2, 2022
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Yee-Haw Brain

noun

1. The state of lacking any critical thinking, or characterized by willful stupidity

2. A usually unintentional, intellectually dishonest person.

3. Someone who reads or listen to media without thinking about what's being said and automatically accepts it.
Person 1: "Did you know liking capitalism means you're racist? Socialism automatically rids of racism by default".

Person 2: "Uh no, an economic system does not suddenly make a culture or nation not racist yee-haw brain".

Person 1: "YOU'RE BRAINWASHED! FASCIST!"

Alex Jones: "LIBERALS! They're literal vampire demons sucking the blood of children."

Yee-Haw Brain: "YEEEEEE-HAAAAAWWW that's right!"
by ZRhasitforyou May 13, 2021
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false brain bleed

The false implication of a brain bleed.
The sensation that your brain is bleeding inside your hollow head and having the urge to crack it open to pour out all the blood. May even come in the form of a visualisation of your brain oozing out blood.

May be accompanied with headaches or urges to throw up.

Cause is yet unknown but may be a potential side effect of long term depression.
false brain bleed is the most uncomfortable and grotesque feeling I've felt in ages
by a lack of validation November 8, 2020
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Slay Brain

The phrase used to describe the unfortunate event of posessing Slay's brain. The brain makes you easy to manipulate, grants common sensory overloads and forces you to say "glaze" after every sentence.
by suspos April 19, 2023
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Woodpecker Tongue Brain

When a hard cock is shoved so far into a mouth that the recipient has the sensation that it is wrapping around their brain.
"Johnny Big Dick got so into the head I was giving him last night that he gave me woodpecker tongue brain!"
by kikilele November 27, 2021
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