brain sliver 

an annoying song that is stuck on a loop in the brain brain that is nearly impossible to make it stop playing.

I woke up and this brain sliver just keeps playing over and over an I can't remove it from my brain.

brain sliver by Dr. Jaquith August 27, 2014

brain jump 

When your brain shuts down for a split second and when it starts again you yell "Brain jump!"

Hoon(staring in space): "Brain jump!"
Everyone else: (Oblivious to him talking)

brain jump by dirty_dog_farmer February 4, 2015

Brain 

a thing in your head that %99.9999 of people don't have

I have a Brain

no you just don't.

Brain by fasdfadfs February 20, 2015

brain 

Something you lack if you have to type it on this website.

You don't have a brain

brain by 2Kewl4u February 28, 2015

Brainage 

brain fluids inside of your brain

the brainage of Albert Einstein was blowing me away!

Brainage by IDKWOWAWESOME! July 22, 2015

brain beach 

when someone is thinking up a fantasy in their head

When your mother nags at you to do something and asks the trick question, " Are you hearing me clearly?" You reply, "Oh what? Sorry. I was at my brain beach."

brain beach by McWritah July 26, 2015

Brain Fart 

To say or do a stupid

"When I first saw that text I had forgotten what we were talking about and I was like woah what the hell"
"lol, dem brain farts"

Brain Fart by Lemoncake August 15, 2015