plural of nutso

(colloquial) Crazy, insane. / (colloquial) Fraught or out of control. / (colloquial) Obsessed; overly enthusiastic. / (colloquial) Ridiculous; unbelievable or silly.

(colloquial, countable) A crazy person; a crackpot or lunatic. / (colloquial, uncountable) Craziness; insanity.

(colloquial) Madly; extremely or obsessively. / (colloquial) In a crazy manner.