schmuck

from WordNet (r) 3.0 (2006)

schmuck
    n 1: (Yiddish) a jerk [syn: {schmuck}, {shmuck}, {schmo},
         {shmo}]

from Moby Thesaurus II by Grady Ward, 1.0

23 Moby Thesaurus words for "schmuck":
      ass, born fool, buffoon, clown, doodle, egregious ass,
      figure of fun, fool, idiot, ignoramus, jackass, jerk, lunatic,
      milksop, mooncalf, nincompoop, ninny, perfect fool, softhead, sop,
      stupid ass, tomfool, zany