drop down

verb — 2 senses

verb

Nautical, Transport To sail, move, or row down a coast, or down a river to the sea.

Used other than figuratively or idiomatically: see drop, down.

The glass bottle dropped down to the ground where it shattered.
This is the last road of the round and then we may as well drop down into the High Street and get a snack to carry us on till breakfast.1934, Ernest Bramah, The Bravo of London:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.