Definition of bullshit in English:

bullshit

noun

mass nounvulgar slang
  • Stupid or untrue talk or writing; nonsense.

    rubbish, balderdash, gibberish, claptrap, blarney, guff, blather, blether

verbbullshits, bullshitting, bullshitted

[with object]vulgar slang
  • Talk nonsense to (someone) in an attempt to deceive them.

    play a practical joke on, play a joke on, play a jest on, play a prank on, trick, fool

Origin

Early 20th century from bull+ shit.

Pronunciation

bullshit

/ˈbʊlʃɪt/