sar·casm
ˈsärˌkazəm/Submit
noun
the use of irony to mock or convey contempt.
"his voice, hardened by sarcasm, could not hide his resentment"
synonyms: derision, mockery, ridicule, scorn, sneering, scoffing; irony; cynicism
"well, it's easy to see that she got her biting sarcasm from her mother"
Hope this helps.
Except some of the crazy children here aren't being remotely sarcastic. But I guess educate me...?