adjective characterized by or expressing derision; contemptuous; mocking: derisive heckling.
Example: The message is derisive—rhabdomyolysis and whatever else might happen to certain people is really for wimps and buffoons only.
COOL IT ON THE CROSSFIT: WHAT’S RHABDOMYOLYSIS?|KENT SEPKOWITZ|OCTOBER 11, 2013|DAILY BEAST
adjective bitterly or disdainfully ironic or amusing: a wry remark.
Example: But Beard was, as Beard would have put it, "wry," which is the word people like Beard use when they mean funny.
DOUG KENNEY: THE ODD COMIC GENIUS BEHIND ‘ANIMAL HOUSE’ AND NATIONAL LAMPOON
adjective characterized by bitter or scornful derision; mocking; cynical; sneering: a sardonic grin.
Example: Ebert was celebrated for the sardonic wit and democratic writing style he employed in his reviews.
ROGER EBERT, 70, HAS DIED: A LOOK AT THE LIFE OF CINEMA’S GREAT APPRECIATOR|MARLOW STERN|APRIL 4, 2013|DAILY BEAST
(source: dictionary.com, thesaurus.com)