Meaning of stir-crazy

stir-cra•zy

Pronunciation: (stûr'krā"zē), [key]
— adj. Slang.
  1. restless or frantic because of confinement, routine, etc.: I was stir-crazy after just two months of keeping house.
  2. mentally ill because of long imprisonment.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.