[adorno]

I never heard the term until Trump came along.

The term has been around since the 1960s, with slightly different meanings, depending on who was using it or redefining it.

[firebrand]

Never heard it back then, but I’ve only been really paying attention since 1993 or so. In any case, it was not widely used until Trump came along in 2015, and then it was popularized as being anti-Trump and pro-reckless-foreign involvement.