nuts /(nŭts)/

nuts

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

nuts

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