spark out
Upper Intermediate (B2)informal
To be completely asleep or knocked out, so that you don't notice anything.
"One punch and he was spark out on the floor."
Hear it in context
Would You Rather: Free-handle a Black Widow or Spiked by a Cactus?!
Brave Wilderness Top Videos · 64:03
eyeballs to spark out in the darkness.
The Free Car is now dead.
Garbage Time · 0:27
But the spark out of the coil isn't amazing.
Lee Nelson’s Fresh Take on Immigration | Live at the Apollo
Live At The Apollo · 2:28
Last night, about 4:00 in the morning, I'm spark out in my bed.
The Free Car is now dead.
Garbage Time · 5:58
Well, go crank it and we'll see if I've got spark out the end of this lead.