The Collaborative International Dictionary of English v.0.48:

Folderol \Fol"de*rol`\, n.
   Nonsense; foolish talk. [Also spelled falderal and
   falderol.] [Colloq.]

   Syn: humbug; balderdash; poppycock.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Falderal \Fal"de*ral`\, n.
   1. Nonsense; foolish talk. [Also spelled folderol and
      falderol.] [Colloq.]

   Syn: humbug; balderdash; poppycock.
        [1913 Webster]

   2. a knickknack; a gew-gaw.
      [PJC]

WordNet (r) 3.0 (2006):

folderol
    n 1: nonsensical talk or writing [syn: folderol, rubbish,
         tripe, trumpery, trash, wish-wash, applesauce,
         codswallop]

Moby Thesaurus II by Grady Ward, 1.0:

170 Moby Thesaurus words for "folderol":
   a continental, a curse, a damn, a darn, a hoot, absurdity,
   amphigory, anacrusis, babble, babblement, bagatelle, balderdash,
   bass passage, bauble, bean, bibble-babble, bibelot, bit, blabber,
   blather, bombast, bourdon, brass farthing, bravery, bridge, burden,
   button, cadence, cent, chiffon, chorus, claptrap, clinquant, coda,
   curio, development, division, double-talk, drivel, drool,
   exposition, farce, farthing, feather, festoons, fiddle-faddle,
   fiddledeedee, fig, figure, finery, fleabite, flummery, foofaraw,
   fribble, frilliness, frilling, frills, frills and furbelows,
   frippery, froufrou, fudge, fuss, fustian, gabble, gaiety,
   galimatias, gammon, gaud, gaudery, gewgaw, gibber, gibberish,
   gibble-gabble, gilding, gilt, gimcrack, gingerbread, gobbledygook,
   hair, halfpenny, harmonic close, hill of beans, hocus-pocus,
   humbug, interlude, intermezzo, introductory phrase, jabber, jargon,
   jest, joke, kickshaw, knickknack, knickknackery, measure, minikin,
   mockery, molehill, movement, mumbo jumbo, musical phrase,
   musical sentence, narrishkeit, niaiserie, nonsense, ornament,
   pack of nonsense, palaver, part, passage, paste, peppercorn,
   period, phrase, picayune, pin, pinch of snuff, pinchbeck, pinprick,
   prate, prattle, rant, rap, red cent, refrain, resolution, response,
   rigamarole, rigmarole, ritornello, rodomontade, row of pins,
   rubbish, rush, section, shit, skimble-skamble, snap, sneeshing,
   sou, stanza, statement, strain, straw, stuff and nonsense,
   stultiloquence, superfluity, tailpiece, tinsel, toy, trappings,
   trash, trickery, trifle, trinket, triviality, trumpery, tuppence,
   tutti, tutti passage, twaddle, twattle, twiddle-twaddle, two cents,
   twopence, vaporing, variation, verse, waffling, whim-wham