Sheets of plywood covering first floor windows and doors of vacant homes and businesses. Used to prevent ghetto family units from moving back into homes unfit for humans. Most commonly found in democrat controlled metropolitan areas such as Detroit. Occasionally used as a graffiti billboard for local gangs.
T'Shaun - dafuq, why can't I see out muh crib?
D'Marcus - sheeit nigga, the gubmint installed ghetto windows.