A state of extreme, unforeseen, and sudden anger. A reference to the disposition of a canine while it is completing the unfortunate task of expelling tacks from its rectum. The dog is extremely upset and can't figure what exactly is going on or how it happened. Used in the North American Deep South.
When John found out his best friend was sleeping with his fiancé, he was dog-shitting-tacks mad.
by Madman623 January 14, 2014
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