brainbox

In plannar language, brainbox means a talking head.

Hey, quit rattling your brainbox!

by Dennis April 10, 2003

brainbox

Slang term for skull. A simplistic, yet wholly accurate account of the skull and its function, i.e. a container for one's brain.

Referring to a headache: "Man, I've got so much pain in my brainbox right now, I don't think an Advil's gonna cut it."

by Rumer November 30, 2009

brainbox

An idiot, moron, or bufoon

Chistian is such a brainbox

by Anonymous October 05, 2003

BrainBox

Someone so smart, they skipped a grade

If only I skipped a grade, I would of been a BrainBox

by Skadoosh12 November 02, 2022