Rock brain

When you brain is as useful as a rock.

Man, after hitting that blunt I got mad rock brain.

by Gwilz November 5, 2018

brain whore

Someone who's added to a group project to do all the work.

You guys haven't helped at all, I'm just a brain whore to y'all!

by ashishinator November 19, 2021

binge brain

When your brain becomes mush in the middle of a streaming binge.

I suffered from binge brain after six straight episodes of “Russian Doll”

by MA Delerium March 2, 2019

Drop Brain

“Dropping” or showing your nutsack “brain” in a casual manner to prank or surprise others.

I decided to drop brain to prank my roommate, but then his girlfriend came through the door and things got awkward.

by Small Jerry June 14, 2018

Bonner Brain

When you sleep on a slope usually while camping and all the blood rushes to your head.

We all got bad headaches from bonner brain, due to sleeping upside down on a hill.

by ugly hawk May 25, 2011

Brain of stone

To be Indecisive.

Or unlikeable; selfish.

" Is that Vanessa? I heard she has a Brain of stone!" I heard too.

by hollowlungs October 27, 2022

black brain

The loss of brain cells due to the excessive use of marijuana, resulting in getting stuck on a word or thought

Dude that girl was rambling on, def black brain

by Janet flight August 31, 2017