“Philippic” meaning ‘Of the nature of a bitter attack, denunciation, or invective; that is a philippic (sense B. 1); spec. relating to or designating the Philippics of Demosthenes and Cicero’, (OED).
It doesn’t get any more philippic than this.
Day #315 of a 365 project, where the daily pic is informed by the OED word of the day.