the salt refers to tears of rage. usually we say our opponents are salty when they are bad losers. you could also say theyre butthurt. in Salty Cracker's case, he is calling himself a sore loser. He represents the tears of rage of the right. We are pissed. We are sore losers. We want justice. and in the meantime, we want to talk mad shit about people.

common misconception is that it refers to the figurative salt we pour on our enemies wounds. just a happy coincidence.

I like that he is a lefty walkaway like myself. There are a ton of us. The whole country is red.