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To flee hastily; to clear out or depart quickly. We lit out for the safe house as soon as we heard the police sirens in the distance. Everyone else started to light out of there when the manager announced he would be taking volunteers for weekend work.
1. n. bedtime. It’s lights out, kids. Radios off, too!
2. n. death; time to die. (Underworld.) It’s lights out for you, chum.