Have you watched the same video as I did? That’s American diplomacy, why would we need that?

I don’t think there are sources as this is more of a slang, but saying “someone is Z” has been synonymous of saying someone is Russia aligned.

I never seen it used in the context that the OP is describing

Example: https://youtu.be/zVH2UUR09HQ

If the Europe had any sense of self respect the US embassies would be closing everywhere right now just like the russian ones.

And his most heroic act was not punching the old fart in the teeth