To drop off

to fall asleep gently; also, to die.

See also: Drop

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in classic literature ?
Ah, poor me, poor me, my poor hand shakes like to drop off! I see ye coming-to, and I ses to my poor self, "I'll have another ready for him, and he'll bear in mind the market price of opium, and pay according." O my poor head!
And the same instant his head did begin to feel drowsy and he began to drop off into forgetfulness.
This nearly 75 percent increase suggests that curbside recyclers are, in fact, taking the time and effort to drop off their glass recycling.
Members of the public are welcome to drop off new and unwrapped toys to any Berkshire Hathaway HomeServices KoenigRubloff Realty Office, as well as other participating drop off sites.
"It's harder to drop off and it's harder to pick up because you are now forced through a car park.
Other changes include blue badge holders are allowed to drop off outside of the terminals free of charge.
By bringing together Walgreens' convenient network of retail locations across the na tion and FedEx as one of the leading enablers of the rapidly growing e-commerce economy, the new alhance significantly expands the options available to consumers to drop off and pick up their FedEx shipments and handle multiple tasks during a single store visit.
They used CCTV to identify my car after I had pulled into a cul-de-sac to drop off two colleagues.
Eventually, they found somewhere to drop off the folk who then had to struggle to the Empire.
I have been to the airport twice recently to drop off friends flying back to UK.