be out like a light

1. To be sleeping very soundly. Don't worry, the vacuum won't wake him—he's out like a light. I didn't even hear you come in last night—I was so tired that I was out like a light as soon as my head hit the pillow.

2. To fall asleep quickly. I didn't even hear you come in last night—I was so tired that I was out like a light as soon as my head hit the pillow.

3. slang To be very drunk. Do you remember last night at the bar at all? You were out like a light!

be/go out like a ˈlight

(informal) fall asleep very quickly or suddenly lose consciousness: She went out like a light after an exhausting day at work. One minute she was talking and laughing and the next minute she was out like a light. It was very frightening.

词组	be out like a light
释义	be out like a light be out like a light 1. To be sleeping very soundly. Don't worry, the vacuum won't wake him—he's out like a light. I didn't even hear you come in last night—I was so tired that I was out like a light as soon as my head hit the pillow. 2. To fall asleep quickly. I didn't even hear you come in last night—I was so tired that I was out like a light as soon as my head hit the pillow. 3. slang To be very drunk. Do you remember last night at the bar at all? You were out like a light! See also: light, like, out Farlex Dictionary of Idioms. be/go out like a ˈlight (informal) fall asleep very quickly or suddenly lose consciousness: She went out like a light after an exhausting day at work. One minute she was talking and laughing and the next minute she was out like a light. It was very frightening. See also: go, light, like, out Farlex Partner Idioms Dictionary See also: be/go out like a light dead to the world be dead to the world vacuum out vacuum up knock the tar out of (someone) be sleeping with the fishes Fishes to within an inch of your life within an inch of life
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