bull·shit 
(blshĭt′) Vulgar Slang
(blshĭt′) Vulgar Slang n.
1. Foolish, deceitful, or boastful language.
2. Something worthless, deceptive, or insincere.
3. Insolent talk or behavior.
v. bull·shit also bull·shat (-shăt) or bull·shit·ted (-shĭtĭd), bull·shit·ting, bull·shits
v.intr.
1. To speak foolishly or insolently.
2. To engage in idle conversation.
v.tr.
To attempt to mislead or deceive by talking nonsense.
adj.
Very angry; incensed.
interj.
Used to express extreme displeasure or exasperation.
bullshit′ter n.