No. "Spit on" is a serious accusation with real life historical analogs. I have literally never, ever, ever in my entire life heard people say "I was spit upon" as a figure of speech. Ever. It's not a figure of speech I would personally ever use because of the implications.

Please don't accuse people of arguing in bad faith just because they haven't had the same life experiences you have had. You are spitting in me when you do so.