There are many popular but unsubstantiated theories about the origin of eighty-six. The explanation judged most probable according to Merriam-Webster's research is that the word was created as a rhyming slang word for nix, which means “to veto” or “to reject.”
It was a direct threat to Trump but honestly I do not think they could convict him on that unless there is a lot of evidence we do not see.
I think the threat was legit, but I also think it's a wasted effort.
He'll martyr himself for this... Unless this is a prelude to something else