A bitter attack or denunciation, especially a verbal one.
Fiery, damning speech, or tirade, delivered to condemn a particular political actor. The term is most famously associated with two noted orators of the ancient world: Demosthenes of ancient Athens and Cicero of ancient Rome.
Latin Philippicus “of or pertaining to King Philip II of Macedon” (the father of Alexander the Great), from Greek Philippikós with the same meaning.