"silver-tongued " "his hypnotising speeches" "a trained orator " "skilled in the art of mass address " "captivate audiences with his one-liners that sound like extempore " "his deep gaze".
Extempore: Definition:Spoken, carried out, or composed with little or no preparation or forethought
I’m sorry about the lack of “barf alert”, but I found the childlike disappointment of the author very touching (and amusing.)