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In theory, yeah, sure. As someone said your bindings get full of water/grit/crap all the time, as long as you rinsed them well it wouldn't be a problem.
I wouldn't worry overly about the little DIN window changing colour, but there's a good chance you wouldn't be able to read the indicator scale when all was said and done.
My friend has 1 Jester with a yellow tinged heelpiece after it sat in a pool of energy drink for 6 hours.