HaGa-DaGa
You say HaGa-DaGa when you're proud because you just showed someone up and they're too embarrassed to speak.
HaGa-DaGa, I beat you at chess and you didn’t even try.
HaGa-DaGa, I got the best seat in class and you’re stuck in the back.
HaGa-DaGa, I got a perfect score and you got a D.