[1] : The Collaborative International Dictionary of English v.0.48

balderdash \bal"derdash\, n. of uncertain origin: cf. dan.
   balder noise, clatter, and e. dash; hence, perhaps, unmeaning
   noise, then hodgepodge, mixture; or w. baldorduss a
   prattling, baldordd, baldorddi, to prattle.
   1. a worthless mixture, especially of liquors.
      1913 webster

            indeed beer, by a mixture of wine, hath lost both
            name and nature, and is called balderdash. --taylor
                                                  drink and
                                                  welcome.
      1913 webster

   2. senseless jargon; ribaldry; nonsense; trash.
      1913 webster

[2] : The Collaborative International Dictionary of English v.0.48

balderdash \bal"derdash\, v. t.
   to mix or adulterate, as liquors.
   1913 webster

         the wine merchants of nice brew and balderdash, and
         even
         mix it with pigeon's dung and quicklime. --smollett.
   1913 webster

[3] : WordNet (r) 2.0

balderdash
     n : trivial nonsense syn: fiddle-faddle, piffle
see also:
fiddle-faddle piffle 

[4] : Moby Thesaurus II by Grady Ward, 1.0

61 moby thesaurus words for "balderdash":
   absurdity, amphigory, babble, babblement, bibble-babble, bilge,
   blabber, blather, bombast, bombastry, bosh, bushwa, claptrap,
   double-talk, drivel, drool, eyewash, fiddle-faddle, fiddledeedee,
   flummery, folderol, fudge, fustian, gabble, galimatias, gammon,
   gibber, gibberish, gibble-gabble, gobbledygook, highfalutin,
   hocus-pocus, hot air, humbug, jabber, jargon, malarkey,
   mumbo jumbo, narrishkeit, niaiserie, nonsense, pack of nonsense,
   palaver, prate, prattle, rant, rigamarole, rigmarole, rodomontade,
   rot, rubbish, skimble-skamble, stuff and nonsense, stultiloquence,
   trash, trumpery, twaddle, twattle, twiddle-twaddle, vaporing,
   waffling

Balderdash >> B Words
Balderdash, definition of term: Balderdash
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