1987 film starring Barbra Streisand and Richard Dreyfuss (4)

I believe the answer is:

nuts

(Other definitions for nuts that I've seen before include "Crazy (sl.)" , "Nibbles" , "Bonkers" , "Edible seeds with hard shells" , "Fruits; insane" .)

I've seen this clue in The Independent and The Telegraph.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.