Have a look at comments in any news article regarding Ukraine. They will simp for Russia just because they are not US allies.
A tankie is commonly used to refer to someone who blindly defends the actions of the USSR, China, North Korea, etc. Going as far as denying human rights abuses and genocide.
It’s not the same thing as woke.
The term goes back to the 50s and 60s, hardly a buzzword.
Sorry to tell you, but you’ve been living under a rock.
https://en.m.wikipedia.org/wiki/Tankie