wash down

wash down idiom
  1. Clean by washing from top to bottom, as in He always washes down the walls before painting. [Second half of 1800s]
  2. Drink a liquid after eating food or taking medicine, as in He washed down the pills with a glass of water. [c. 1600]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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