sarcasm Look up sarcasm at Dictionary.com
1579, from L.L. sarcasmos, from Gk. sarkasmos "a sneer, jest, taunt, mockery," from sarkazein "to speak bitterly, sneer," lit. "to strip off the flesh," from sarx (gen. sarkos) "flesh," prop. "piece of meat," from PIE base *twerk- "to cut" (cf. Avestan thwares "to cut"). Sarcastic is from 1695. For nuances of usage, see humor.