- drop down
- drop down1. [for someone] to fall down or stoop down. •
Suddenly, Ted dropped down, trying not to be seen by someone in a passing car.
•I dropped down as soon as I heard the loud sounds.
2. [for something] to fall from above. •The tiles on the ceiling dropped down, one by one, over the years.
•The raindrops dropped down and gave the thirsty plants a drink.
Dictionary of American idioms. 2013.