Pronunciation of

Doppio (Coffee)

Double in Italia. Related to coffee it indicates a double serving of Espresso.
In Italy you can have these espresso options:
Lungo - an espresso with more water, but still in a small cup
Macchiato - with a dab of frothed milk on top
Ristretto - a very very short coffee, just a shot
Corretto - with a drop of Grappa or any other alcoholic beverage