1
general::
Phrase(s): wash something out of something [and] wash something out
to clean some kind of dirt from something. • You had better wash all the stains out of the clothing before you put it in the dryer. • You will want to wash out the dirt., Phrase(s): wash someone out of something [and] wash someone out
to make it necessary for a person to leave a place or program; to wash someone up. (See also wash someone out.) • That professor just loves to wash students out of the course. • The professor washed out over half the class.
McGrawhill's American Idioms And Phrasal Verbs