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Someone who is crazy, or acting crazily.
"Look how recklessly that man is driving. (he is a) madbrain"
madbrain by bananamilkshakefiend October 15, 2009
Related Words

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
Dunzo, a slang word for done/finshed. Made famous by the Laguna Beach cast.
This car is so dunzo. (Kristin's car breaks down.)
dunzo by Joey Pellet December 8, 2004
Word of the Day on June 20, 2026

ankle biter

Someone or something that bites your ankles.
To a postman, an ankle biter is often known as a dog.
To an adult, an ankle biter may be a toddler.
To hikers, an ankle biter is sometimes a tick.
And so on.
"Dang ankle biter took off my whole leg!!"
ankle biter by the sane maniac February 2, 2004
Word of the Day on June 19, 2026