hot air

hot air
    n 1: air that has been heated and tends to rise
    2: loud and confused and empty talk; "mere rhetoric" [syn:
       {palaver}, {hot air}, {empty words}, {empty talk},
       {rhetoric}]
    

84 Moby Thesaurus words for "hot air":
      babble, babblement, balderdash, baloney, bavardage, bibble-babble,
      big talk, bilge, blab, blabber, blah, blah-blah, blather, blether,
      blethers, bombast, bombastry, bop, bosh, bull, bullshit, bunk,
      bunkum, cackle, caquet, caqueterie, chat, chatter, chitter-chatter,
      clack, clatter, crap, fancy talk, fine talk, fire storm,
      fish story, flapdoodle, fustian, gab, gabble, gas, gibber,
      gibble-gabble, gobbledygook, gossip, guff, gup, highfalutin,
      highfaluting, hogwash, hokum, hooey, idle talk, jabber, malarkey,
      mere talk, moonshine, natter, nonsense talk, palaver, piffle,
      poppycock, prate, prating, prattle, prittle-prattle, rant,
      rodomontade, rot, scat, shit, superheated air, talkee-talkee,
      tall story, tall talk, thermal, tittle-tattle, tommyrot, tripe,
      twaddle, twattle, wind, yak, yakkety-yak