The phrase "a dark drop" is correct and usable in written English.
It can be used to describe a drop that is dark in color or has a dark connotation, often in a poetic or descriptive context.
Example: "As the rain began to fall, I noticed a dark drop sliding down the windowpane, reflecting the gloomy sky outside."
Alternatives: "a shadowy drop" or "a deep drop".
It shows a slender girl in a dark, drop-shoulder dress that left her neck bare.
"I loved the dark drop, the trapped sky, the smells / of waterweed, fungus and dank moss".
As a 1950s Rockabilly pioneer, her sexy sound, her way with a guitar, her wicked moves on stage, and dark drop-dead good looks made her a genuine Elvis equivalent.
The heads of both America's FBI and Britain's MI5 have complained about their inability to prevent suspects from "going dark"—dropping off the radar screen of surveillance.
The two large walls that greet the viewer are dotted with large, dark drops of liquid that ominously suggest everything from blood, sweat and tears to rain, floods and oil; each contains one of the letters of f-e-a-r.
One of the men wore a dark suit, and dropped a gun, a shield and a radio in the car they used, a 2012 Nissan Altima, as he fled, the police said.
We can do an occasional emergency load of laundry — even if we sometimes mix lights and darks — drop the kids off, and commute to work.
You'd think that once in a while they'd slip up and dook out a clunker, but then they go and drop a dark and feverish anarcho-punk reissue I've never heard of, and I limp home like a stupid weenie.
Her journey recalls the 12th-century Spanish traveller Benjamin of Tudela, who gives details of Jewish communities in cities en route to the Holy Land, which are represented in Cities by Jerusalem in "the glow of a June sun, / until the desert night drops / a dark blue cloak over the streets".
He said he couldn't explain it, but it had led to him sleeping even deeper than he already does; it was like "being dropped into a dark black hole," he said.
"It would be a mistake now for the international community to leave Afghanistan, and drop us in a dark ocean," he said.
