[em2vn]

Mensa? Are you sure you have the right organization.

[inkling]

Mensa? Are you sure you have the right organization.

sar·casm    ( P )  Pronunciation Key  (särkzm)
n.

1. A cutting, often ironic remark intended to wound.
2. A form of wit that is marked by the use of sarcastic language and is intended to make its victim the butt of contempt or ridicule.

3. The use of sarcasm. See Synonyms at wit¹.

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[Late Latin sarcasmus, from Greek sarkasmos, from sarkazein, to bite the lips in rage, from sarx, sark-, flesh.]

[inkling]

Sarcasm is hard to pull off in print. Adding a smiley ruins the effect. Maybe someone could create an emoticon of a tongue in cheek. :-^