lights-out

noun
lights-out \ ˈlīts-ˈau̇t \
1864{ds||1||}
  • a command or signal for putting out lights
  • a prescribed bedtime for persons living under discipline

light out

verb
light out \
1859{ds||1||}
  • to leave in a hurry
  • set off

punch someone's lights out

idiom
punch someone's lights out \
  • to hit someone's face hard with a fist
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