iro·ny: (ī-rə-nē) - Noun
From the Latin ironia and from the Greek eirōnia
1 : a pretense of ignorance
2 a : the use of words to express something other than and especially the opposite of the literal meaning b : a usually humorous or sardonic literary style or form characterized by irony c : an ironic expression or utterance
3 a (1) : incongruity between the actual result of a sequence of events and the normal or expected result (2) : an event or result marked by such incongruity b : incongruity between a situation developed in a drama and the accompanying words or actions that is understood by the audience but not by the characters in the play —called also dramatic irony, tragic irony
Or, another definition might be this...
One vile child raping pedophile defending another vile child raping pedophile?!? Too bad Michael Jackson's dead... they could start their own child raping club.
What the fuck is wrong with you people?!?
(Cartoon Courtesy of Baloo at toonpool.com)