go out like a light
US /ɡoʊ aʊt laɪk ə laɪt/
UK /ɡoʊ aʊt laɪk ə laɪt/

1.
langsung tertidur pulas, tertidur seketika
to fall asleep very quickly or suddenly
:
•
After working all day, he went out like a light as soon as his head hit the pillow.
Setelah bekerja seharian, dia langsung tertidur pulas begitu kepalanya menyentuh bantal.
•
The baby was so tired that she went out like a light during her feeding.
Bayi itu sangat lelah sehingga dia langsung tertidur pulas saat menyusu.
2.
langsung pingsan, kehilangan kesadaran seketika
to lose consciousness suddenly
:
•
The boxer took a heavy punch and went out like a light.
Petinju itu menerima pukulan telak dan langsung pingsan.
•
The sudden drop in blood pressure made her go out like a light.
Penurunan tekanan darah yang tiba-tiba membuatnya langsung pingsan.