Definitions for "Sarcasm"
Keywords:  irony, scorn, sarcastic, satire, remark
A keen, reproachful expression; a satirical remark uttered with some degree of scorn or contempt; a taunt; a gibe; a cutting jest.
Saying the opposite of what you mean to pretend to praise someone.  Designed to hurt.
n. heavy use of apparent praise for an actual dispraise: it is the common man's usual form of irony; sarcasm is personal and intended to hurt.
"Avoid sarcasm, unless you're sure it will work, and think very carefully before using e-mail to express anger. With e-mail, once it's sent, it's gone" (Lawrence J. Magid, "Internet Etiquette").
Keywords:  hat, bitter, bad, ironic, don't
To use bitter or ironic language directed at an individual.EXAMPLE: That's a great hat, to bad they don't come large enough to fit your head.