applesauce(slang), balderdash, baloney(also boloney), beans, bilge, blah(also blah-blah), blarney, blather, blatherskite, blither, bosh, bull(slang), bunk, bunkum(or buncombe), claptrap, codswallop(British), crapola(slang), crock, drivel, drool, fiddle, fiddle-faddle, fiddlesticks, flannel(British), flapdoodle, folly, foolishness, fudge, garbage, guff, hogwash, hokeypokey, hokum, hoodoo, hooey, horsefeathers(slang), humbug, humbuggery, jazz, malarkey(also malarky), moonshine, muck, nerts(slang), nonsense, nuts, piffle, poppycock, punk, rot, rubbish, senselessness, silliness, slush, stupidity, taradiddle(or tarradiddle), tommyrot, tosh, trash, trumpery, twaddle

absurdity, asininity, fatuity, foolery, idiocy, imbecility, inaneness, inanity, insanity, kookiness, lunacyabsurdness, craziness, madness, witlessnesshoity-toity, monkey business, monkeyshine(s), shenanigan(s), tomfoolerygas, hot air, rigmarole(also rigamarole)double-talk, greek, hocus-pocus