daarstig
Daarstig is when you're so smart you could probably outthink a chicken with a calculator and a PhD.
My brother is daarstig. He beat me at chess and called me a weakling.
My dog is daarstig. It figured out how to get my snack and now it's eating my homework.
My teacher is daarstig. She solved the problem in 5 seconds and then told me I was a dummy.