stinky brain

a person who has a tiny tiny brain not even entering the small brain category🧠🤏🏽 stinky brain is a whole new level of small brain people. this term will also make you seem more intelectual

imagine someone asks what is 9+10 and someone says 21 that is when you say “ oh you are so small brain” and the more educated humans will say “not small brain but stinky brain”

by big brain mariana🧠🤏🏽 January 18, 2020

brain squirts

What begins as a "brain fart" or when you forget a thought, and you absolutely can't think of it, even hours later you still can't remember,it makes you so angry you scream and spit all over your windshield or bathroom mirror.

Johnny really couldn't remember what he had for lunch, he must have a case of the brain squirts.

by mrtreadwell February 13, 2017

Brain Stain

When something is stuck in your head, typically a song or tune/beat, that just won't go away like a bad stain.
See also "Ear Worm"

I've got brain stain from that song on the TV advert, I can't get it out of my head and I don't know the artist!

by oretisktick October 25, 2023

iron brain

someone who's brain is compromised entirely of iron; someone who is incredibly stupid

Jack: I saw him dive into the waters which were infested with crocodiles.
Ariana: He has an iron brain

by InaudibleJet July 31, 2021

Shlong for brains

Used for somebody that has done something stupid, or as a general mocking insult. From the word shlong

"you shlong for brains!!"

or

"Yo shlong for brains, how art thee?"

by Adam the Flatulent October 26, 2007

rain brain

When it is raining and people cannot fucking drive to save their lives!!!

Oh great it raining and what does that mean people get rain brain behind the wheel and can’t drive worth a shit!!

by Ranchcarpets May 22, 2020

Pain Brain

Pain Brain is when you feel like a bug at the bottom of a shower...not quite dead, not quite alive, but definitely fucking suffering.

"Sorry if I seem off today, i have a serious case of pain brain."

by interwebification June 23, 2021