1 definition by Ed54

Top Definition
Describes a person who has the mental capacity of cervid feces.

Derived from the term, "Batshit Insane."
Haley: "sorry evey time i wright something ill think of you and make sure i spell and punctuate everything"

John: "Wow, you're completely deershit retarded."
by Ed54 June 30, 2010

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