The connotation of 霸道 shifts dramatically depending on the context.
In most everyday situations, 霸道 is a strong criticism. It's used to describe people or actions that are unfairly forceful.
This is a hugely popular modern usage that every learner should know.
Among younger people, 霸道 can be used as slang to mean “awesome,” “badass,” “powerful,” or “impressive,” especially when describing objects.