WordNet (r) 3.0 (2006):

wisecrack
    n 1: witty remark [syn: wisecrack, crack, sally, quip]
    v 1: make a comment, usually ironic

Moby Thesaurus II by Grady Ward, 1.0:

60 Moby Thesaurus words for "wisecrack":
   aphorism, apothegm, be merry with, bon mot, boutade, bright idea,
   bright thought, brilliant idea, conceit, crack, crack a joke,
   crack wise, epigram, facetiae, flash of wit, fleer at,
   flight of wit, fun, gag, gibe, gibe at, happy thought, jape, jest,
   joke, josh, kid, kid around, make a funny, make fun, make fun of,
   mock, mot, nasty crack, persiflage, play of wit, play on words,
   pleasantry, poke fun at, pun, quip, quips and cranks, repartee,
   retort, ridicule, riposte, sally, scintillate, scintillation,
   scoff at, smart crack, smart saying, snappy comeback, sparkle,
   stroke of wit, turn of thought, utter a mot, waggery, witticism,
   yak