Referring to the amount of cognitive function someone has relative to a period of time. It can be used as a general gauge for creativity, energy, mental capacity, etc. Similar context to gasoline as fuel for a car.
"There's no way I can work on this project, I'm out of brain juice after that test."
"Get some sleep, it'll help you get back some brain juice"
by jaikomodo December 10, 2021
Get the Brain Juice mug.
The juices inside your brain that help you think up words for urban dictionary
"omg I don't know any words, let me use my brain juices gurl"
by Paixx May 6, 2015
Get the Brain Juices mug.
The knowlage contained in someones brain that can be worked out of them like juice from an orange.
Thats a fantastic idea, why didn't I think of that! Bobby, I'm gonna steal some of your brain juice!
by Sam Magee May 25, 2008
Get the brain juice mug.
When you suck dick on the weekend and pass your math test on Monday because of the massive protein boost
Guy: "shit fam 89%, that's crazy. Did you cheat"
Hoe: "nah fam got brain juice on Saturday at that rave"
by ignoreyourproblems November 22, 2016
Get the brain juice mug.
slang term for beer you drink to increase productivity
I need to bolster my creativity to finish this project, so I'm gonna get a brain juice
by rianbrob May 17, 2018
Get the brain juice mug.