It's a similar social construct as "tankie". While "tankie" describes anyone left of Bernie Sanders, "dronnie" describes anyone that's wittingly or unwittingly pro US imperialist.
Hey btw I've been wondering... My s/o and I are into some pretty freaky shit and I wanted advice from an expert. Do you gotta use a funnel to guzzle that much moldy cheesy CCP cum globs or do you just have to exercise your gag reflex?