He used sarcasm to upset his opponent. Irony is wasted on the stupid. Satire is a sort of glass, wherein beholders do generally discover everybody's face but their own.
source: WordNet 3.0
A composition, generally poetical, holding up vice or folly to reprobation; a keen or severe exposure of what in public or private morals deserves rebuke; an invective poem; as, the Satires of Juvenal.
