Webster's Revised Unabridged Dictionary · 1913

nuts

nuts (nuts) , predicate adjective

Crazy; loony; insane; batty; -- used in a predicate position, usually in phrases such as to go nuts, went nuts, are you nuts? [slang]

nuts (nuts) , interjection

An expression of disapproval, defiance, or displeasure, as in: “Ah, nuts! My knife just broke.” [slang]