smart cookies

Noun

smart cookie (plural smart cookies)

1. (informal) An individual regarded as clever, astute, or judicious.
   • “Who is it, out there.”
     “I’m lost on the road can you tell me where I am.”
     “You’re right here, stranger. You got me out of bed. Clear off before I sprinkle your ass with buckshot.”
     “It’s a dire emergency.”
     “Don’t try to be a smart cookee stranger.”1963, J P Donleavy, A Singular Man, published 1963 (USA), page 182