go out like a light (verb) black out: lose consciousness
Sinonime: befuddlement, bewilderedness, bewilderment, discombobulation, distraction, fog*, gauze, glaze, haze, lala-land, maze, muddle, muddledness, mystification, nadaville, narcosis, puzzlement, shock, stupefaction, stupor, trance
Antonime: add, pencil in,
uncover