Gobbledygook

Noun

 * 1)  Nonsense; meaningless or encrypted language.
 * 2)   Something written in an overly complex, incoherent, or incomprehensible manner.

Thesaurus
absurdity, amphigory, argot, babble, babblement, balderdash, bibble-babble, blabber, blather, bombast, bombastry, bull, bunkum, cant, cipher, claptrap, code, cryptogram, double Dutch, double-talk, drivel, drool, federalese, fiddle-faddle, fiddledeedee, flummery, folderol, fudge, fustian, gabble, galimatias, gammon, garbage, garble, gibber, gibberish, gibble-gabble, gift of tongues, glossolalia, highfalutin, hocus-pocus, hot air, humbug, jabber, jabberwocky, jargon, jumble, lingo, malarkey, mumbo jumbo, narrishkeit, niaiserie, noise, nonsense, official jargon, officialese, pack of nonsense, palaver, patois, patter, phraseology, political doubletalk, poppycock, prate, prattle, pussyfooting, rant, rigamarole, rigmarole, rodomontade, rubbish, scatology, scramble, secret language, skimble-skamble, slang, stuff and nonsense, stultiloquence, taboo language, trash, trumpery, twaddle, twattle, twiddle-twaddle, vaporing, vernacular, vocabulary, vulgar language, waffling

Alternative forms

 * gobbledegook