bullshit

• POS: Noun, Verb (usu participle)
• HYPHEN: bull=shit

CIDE DICTIONARY

bullshit, n. 

 a ludicrously false statement.  [WordNet 1.5]

bullshit, v. 

 to talk through one's hat.  [WordNet 1.5]

OXFORD DICTIONARY

bullshit, n. & v. coarse sl.
--n.
1 (often as int.) nonsense, rubbish.
2 trivial or insincere talk or writing.
--v.intr. (-shitted, -shitting) talk nonsense; bluff.

Derivative

bullshitter n.

Etymology

BULL(3) + SHIT

THESAURUS

bullshit

babble, balderdash, balls, baloney, big talk, bilge, blabber, blague, blah, blah-blah, blather, bop, bosh, bull, bunk, bunkum, claptrap, crap, drivel, drool, eyewash, fancy talk, fine talk, fish story, flam, flapdoodle, flimflam, gabble, gammon, gas, gibber, gibble-gabble, guff, gup, highfalutin, highfaluting, hogwash, hoke, hokum, hooey, hot air, humbug, humbuggery, jabber, jiggery-pokery, malarkey, moonshine, piffle, poppycock, prate, prattle, rattle, rot, scat, shit, talk nonsense, tall story, tall talk, tommyrot, tripe, twaddle, twattle, vapor, waffle, wind