流ながし出だす

godan verb (-su)

flush out; drain off; draw off

Used for causing liquid or something carried by liquid to flow out, often with a sense of cleaning or removing. Can be literal (water, waste) or figurative (bad influences).

• パイプの汚よごれを水みずで流ながし出だす。

  Flush the dirt out of the pipe with water.

• 悪わるい考かんがえを頭あたまから流ながし出だす。

  Clear bad thoughts from one's mind.