lights out

See also: lights-out

English

Noun

lights out

1. Alternative form of lights-out
2. Unconsciousness.
   • 2007, Kathryn Deans, Glow:

     There had been one almighty BANG and then it had been lights out.

   • 2012, Anthony C. TriparI, Butchie, page 112:

     It's lights out as Bruno is whacked on the back of his head with a black jack.

   • 2012, Jeni Decker, I Wish I Were Engulfed in Flames:

     Instant nausea, impaired vision, and the feeling of impending death, all prior to lights out.

Verb

lights out

1. third-person singular simple present indicative of light out