sarcasm
noun
°A form of humor that is marked by mocking with irony, sometimes conveyed in speech with vocal over-emphasis. Insincerely saying something which is the opposite of one's intended meaning, often to emphasize how unbelievable or unlikely it sounds if taken literally, thereby illustrating the obvious nature of one's intended meaning.
°An act of sarcasm.
synonyms: derision, facetiousness, irony, ridicule more» , satire, taunt, gibe