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3. brainbox
An idiot, moron, or bufoon
Chistian is such a brainbox
by anonymous Oct 5, 2003 add a video
1. brainbox
In plannar language, brainbox means a talking head.
Hey, quit rattling your brainbox!
by Dennis Apr 10, 2003 add a video
2. 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."
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