Sound asleep, usually from a healthy exhaustion.
The kids are sacked out in the back seat.
simple past and past participle of sack out
The kids sacked out in the back seat before we made it home.
Outgrowth of the earlier idiom, to hit the sack (“to lie down to sleep”), with possible influences from other senses of to sack (“to tackle, to pillage”), and to sock (“to hit, to slam”), providing an...
Select a language to see translations