Meaning: The coffee of all coffees.
Pronunciation: Cup-po-the-kaap-pee.
Usage: If you are in Chennai, you should try the Kumbakonam Degree Cofee at Sangeetha's. That to me is the capo di kaapi.
Root: Italian expression 'Capo di capi' (meaning boss of all bosses) + Cup + Kaapi (South Indian Coffee).