noun. the human skull or head
Cory slipped and broke open his brain case all over my kitchen.
by Big Poppa Frost September 24, 2007
(n.) 1. one who lacks mental stability 2. a lack of mental stability, e.g. insanity 3. The portion of the skull enclosing the brain
1. "That braincase almost ran into me!" 2. "He must have a braincase if he's wearing those clothes." 3. In the car crash, Mike cracked his braincase, resulting in his death.
by Tim R. March 05, 2005