the use of words that mean the opposite of what you really want to say especially in order to insult someone, to show irritation, or to be funny. Source: ...
A cutting, often ironic remark intended to express contempt or ridicule. 2. A form
of wit characterized by the use of such remarks: detected a hint of
Irony employed in the service of mocking or attacking someone is
A tongue of which the user speaks of something the complete opposite of what
Etymology: from French sarcasme or Latin sarcasmos, both