sprained brain

What happens when you think more than you're accustomed to without properly stretching your brain first. Can result in serious brain pain and possibly permanent brain malfunction. Can be caused by overstudying, overthinking, overphilosophizing, and the chronic use of hallucinogens, which can decrease brain function and thus make an accidental sprain more likely.
Person: I've got my calculus class at 7am tomorrow...aauughh....

Friend: Oh yeah, I took that one last semester. I got a sprained brain from it, make sure you stretch before class.

Person: ...how...do you stretch your brain?

Friend: I dunno, but it gives you an interesting visual, doesn't it?
by Kayl June 12, 2008
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Brain Enema

1. A process to flush the all the current thoughts, views, headaches, and/or attitudes of an individual. Usually involving drugs, a blunt force to the head, electroshock therapy, meditation, frontal lobotomy or other brain altering procedure.

2. A strong alcoholic drink, or combination of alcoholic beverages to induce forgetting about the current situation or problem.
"This headache is killing me, I need a brain emena!"

"I know just what you need to get your ex out of your head. We will go out on town and give you a brain enema!"
by Mr. Davy Jones August 10, 2012
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Three Brain

One of the best websites, and bands if you have a sense of humor and are easily amused. Check out some of their Rock Videos, be sure to watch "Weeee!" "Dragons and Bees" "ABCs" and their various cartoons
by Xeb September 22, 2003
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sand on the brain

A description used for someone who has said or done an incredibly stupid thing, that it is attributed to them having sand on their brain.
Friend 1: Hey dude, Friend 3 still thinks we only use 10% of our brain.
Friend 2: He's got some sand on the brain.
by massivegamer July 17, 2019
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shit for brains

A serious medical condition where fecal matter has replaced brain matter. Dangerous, but with low mortality rate.

Symptoms: Verbal diarrhea, poor decision making skills and acne.

Cure: There is no known cure, recommend quarantine from general populace.
Exhibit A: George W Bush - Ran up a big bill, couldn't find a WMD or Osama in 2 terms.
Exhibit B: Everyone who voted for him.
Exhibit C: Most politicians.

Usage: Your alcoholic dad has shit for brains, you are a credit to the family.
by Bushwhacked June 25, 2011
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Smooth-brain

A derogatory term used to describe someone after they have done something unintelligent, clumsy, or foolish. This term implies a below average intelligence due to an abnormally shaped brain. The expression is used almost exclusively for criticism.
Dude 1: Hey, did you hear that Mike literally got in an accident with a parked car yesterday!
Dude 2: Ya, I cant believe it. What an absolute smooth-brain.
by Mike N. Ike April 04, 2019
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Mouth for brains

A word used to describe a person who has no brain. Where their brain should be there is only another mouth that never shuts up. Interchangeable with loud mouth, big mouth, motor mouth etc
by ElbowthehappyvikingII August 19, 2010
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