(n.) Swelling words without much meaning; bombastic language; fustian.

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