Sonic brain

To infer that someone's cognitive function is on the lower end of the spectrum by alluding to "Sped". Sonic is widely regarded as a very speedy character and sonic is an attempt to play on the word sped. Attaching Sonic to the brain means sped brain for lack of a better phrase.

*Plays game*
John: "Kill him, he is one shot."
Bob: *Misses every shot*
John: Do you have sonic brain?

by Pogopawee March 19, 2021

Brain Case

noun. the human skull or head

Cory slipped and broke open his brain case all over my kitchen.

by Big Poppa Frost October 11, 2007

Gains brain

When you’re so exhausted after the gym that your brain stops functioning correctly

Bro, I can’t remember what I was going to do tonight. I have gains brain after that killer workout!

by Fitter26 December 11, 2019

wrinkle brain

a very smart person

ohh you wrinkle brain!

by Exirvity September 3, 2023

brain milk

A humorous animated cartoon shown after an extremely scary horror movie which has a calming mental effect similar to the physical effect of drinking a glass of milk right after eating extremely hot/spicy Mexican cuisine.

Gee, that Woody Woodpecker cartoon the theater ran right after that scary movie was real brain milk and made me feel better, less likely to have nightmares tonight.

by Red Sam Black October 26, 2014

preggo brain

profuse, intermittent absentmindedness occurring during and around the 9 months of pregnancy that would lead one to assume brain injury if said person were not pregnant.

husband: "My wife told the same story 3 times. Then she spent a while looking for her phone whilst talking on it. Must be preggo brain."

by EddieMame August 6, 2013

Brain Nut

Where your brain expels it's cells IQ Count so your particularly Retarded on a certain amount of time (seconds, minutes, etc)

He is struggling with his work, he has a Brain Nut for today
I had a Brain Nut for a few seconds.

by PlsLaughAtThisName March 12, 2020