wash_down
1. [ verb ] (food) eat food accompanied by lots of liquid; also use metaphorically
Examples:

"She washed down her dinner with a bottle of red wine" "He washes down his worries with a nightly glass of whisky"

Related terms: eat
2. [ verb ] flow freely
Synonyms: flush_down
Examples:

"The body washed down the river"

Related terms: flush