How is “wash out” used?

In The Grapes of Wrath (1940), one line is: “This won't be so bad once we get her washed out.”

Which movie is “wash out” from?

The clip at the top of this page is from The Grapes of Wrath (1940).

to be removed from clothes by washing; to wash the inside of sth to remove dirt, etc.

Heard in 6 movies

1
to be removed from clothes by washing
These ink stains won't wash out.
2
wash sth out
to wash the inside of sth to remove dirt, etc.
to wash out empty bottles
3
wash sth out
to remove a substance from sth by washing
Wash the dye out with shampoo.
4
wash sth out
to make a game, an event, etc. end early or prevent it from starting
The game was completely washed out.

Definitions from the Oxford Advanced Learner's Dictionary, 9th edition

This won't be so bad once we get her washed out.

Said in 8 films · #1