Braggadocious
an excellent word which, despite sounding like one, is not a Trumpian neologism; a portmanteau (maybe) of bodacious and braggadocio which converts an already spectacular — rococo, even —noun into most bodacious adjective.
Plain English Anatomy™ Noun | Verb | Adjective | Adverb | Preposition | Conjunction | Latin | Germany | Flannel | Legal triplicate | Nominalisation | Murder your darlings