jizz-brain 

verb. When you're deep throating a betch and you dick goes up instead of down and you ejaculate all up in there brain

Oooh I was with James last night and i totally jizz-brained his betch ass.

jizz-brain by Matthew The Pimp Fucker June 21, 2007

Bible brain 

A condition whereby a person fully capable of intellectual discourse suspends his/her rational faculties.

Jack: You cannot see the wind so therefore you cannot prove it exists—but it's there! The same thing applies to god, he is everywhere even though we can't see him.
Jill: On the contrary, we can feel the wind and see it carrying particles. We can't 'see' it in the traditional sense but—
Pete: Jill, ju-just, just, don't worry about it. Jack's suffering from bible brain.

Bible brain by free-thinker June 13, 2012

Neglected brain-matter 

Its when parts of your brain go mush and stuff. It is abbreviated as NBM

Guy with NBM: "You smell like turkey. I'm a Train."
Other Guy: "Woah man, you got a serious case of Neglected brain-matter!"

Neglected brain-matter by n00bs4sale September 5, 2016

Bleach Brain 

Someone that cares for others. They play way to many video games and get really high on bleach. They are very dumb. If they aren't drunk on bleach they could be the greatest boyfriend in the world. They always care for others.

"That person is such a bleach brain."
"Yes he is, he gets really high on it to."

Bleach Brain by No name 13 November 1, 2016

Snowflake brain 

Unique and beautiful way of thinking one of a kind though innocent and realist idea of life

some may say young adults have snowflake brains

Snowflake brain by xXxJackSallyxXx November 28, 2016

Blue Brain 

Chronic Marijuana User. So named for the habitual indulgence in pot smoking, edibles, tinctures or any dispensing method has turned the lining of said users brain blue. Characterized by being jobless, lacking personal hygiene, slow unintelligent speech patterns, sedentary and sloth-like, impotent and therefore useless as a human. Energy of any kind being dispensed by individuals is rationed for "weed outages" only. Prone to rage and individuals known to be "Blue Brains" should be avoided if weed isn't present and or available. Irreversible.

I'm sorry I'm late for work, the "Blue Brain" giving me a ride locked himself inside the car and couldn't get out.

Blue Brain by DoubleDoodie April 18, 2017

Severe brain damage 

Usually seen in Fortnite but in some cases moba games or multiplayer online battle arena it has a sub variant called cancer

Jared:Yo did you see that Fortnite kid?
Tom:Yeah i did he has severe brain damage better kill it quick so that it doesn't spread *Shotgun Reload*

Severe brain damage by Someonewhohasbraindamage June 1, 2022