An ephithet that may be applied to anyone using a recently acquired rise in status to deliver an innapropriate -- often selfish -- message to an audience that would otherwise be disinterested.
From the behavior of The Poe Toaster
who replaced his father in 1999. (source: Wikipedia)
"Can you believe Stephanie used her valedictorian speech to talk about God for six minutes? What a Poe Toaster."