1 definition by jaikomodo
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"
"Get some sleep, it'll help you get back some brain juice"
by jaikomodo December 10, 2021