Will: "Hey, Tigga, how was your day?"
Charlotte: "Good. Although we had a power cut at school this morning."
Will: "So what did you guys do all day? Sit in the dark?"
Charlotte: "Yup. And the teacher had to open the window-sheets!"
1. a fabric covering removed from the opening in the wall of a building, for the admission of air or light, or both, during mid-day power cuts.