Wiktionary
vb. (context colloquial English) have an effect on (a person), persuade
Usage examples of "wash with".
She marched them behind a clump of thick bushes, relieved them of their uniforms, gave them a basin of water and strong lye soap to wash with and provided them with quilts and blankets to cover their nakedness, while she boiled their clothing in her huge wash pot.
She'd go to her stateroom, wash with a wet towel, change her clothes and perhaps even nap for a bit.
They had nothing to wash with, and so huddled in the loft while mud caked and dried, then crumbled with each least movement.
There was another offer for supplementary insurance for people on Medicare (he got one or two of these solicitations a week) and a circular from Sneider's Union Station offering a free car wash with an $11.