The combination of Bullshit and Horseshit.

Boarshit is when you're so angry in the heat of the moment at the malicious lie(s) to the point where you cannot think straight, and you cannot decide which word you want to use; (bull or horse) shit.
James couldn't believe the malicious untruth. Outrageously without thinking, he yelled out "boar shit!".
by mynameisfuckingawesomebro December 31, 2010
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