"Ironic sincerity"?

Edited to amplify: I have never seen the term previous to this thread. Google doesn't turn up much beyond the quoted quip. Is ironic sincerity when you pretend to pretend not to believe what you're saying and then everyone pretends to pretend you didn't believe it so that no-one need be put to the trouble of thinking about it and deciding whether it actually made sense or not? Or not?