Mudbrain 

A stupid person.

Maddison, you don't even know how to read, you're such a mudbrain

Mudbrain by The fact that September 23, 2015

madbrain

Someone who is crazy, or acting crazily.

"Look how recklessly that man is driving. (he is a) madbrain"

madbrain by bananamilkshakefiend October 15, 2009

Mud Brain 

after the act of sodomy, you receive fellatio

that chick Rachael was a freak, she gave me mud brain, and i accepted in a drunken stupor

Mud Brain by Lord-Gore May 26, 2010

Mud Brain 

Occurs during to the seemingly FOREVER period of time between running out of ADD meds and becoming eligible to refill. In most cases, said person becomes unable to function in any sort of productive or sensible way. Withdrawal symptoms include but aren’t limited to; complete loss of ability to focus,

Nan: Oh my god, dude. I have total mud brain! Can't refill for 6 days!
Bert: I know, right?
Nan: I’m gonna go outside and drag my face on the concrete
Bert: Chewbacca does not live on Endor

Mud Brain by ChellChell September 9, 2010

modbrain 

A mentality of excessive concern or delight in the enforcement of obscure rules or minor offenses by a moderator or officer, often in opposition to the stated purpose of said rules.

1. A mod deleted my post because it was too short by 5 characters; this subreddit is overrun with modbrain.
2. A study from Pepperdine found neckbeards are 78% more likely to develop modbrain than the general population.
3. My keys were in the car door when a modbrain meter-maid gave me a ticket.

modbrain by Anaxagoras69 January 13, 2023