1. Restless, uncomfortable, or impatient due to inactivity 
2. (informal) of a prisoner, mentally unbalanced due to prolonged incarceration

Encyclopedia: Stir-crazy

• piece of music
• piece of paper
• piece of piss
• piece of tail
• piece of work
• piece of writing
• piece-dye
• piecemeal
• piecewise
• piecework
• pieceworker
• pied
• pied lemming
• Pied Piper
• Pied Piper of Hamelin
• pied-billed grebe
• pied-à-terre
• piedmont
• Piedmont glacier
• Piedmont type of glacier
• Piemonte
• pieplant
• pier
• pier arch
• pier glass