Double double

Most popular way to drink coffee in Canada.
It consists of two shots of cream (or milk whatever you fancy) and two shots of sugar (or sugar alturnatives).
Tim Hortons put the double double on the map

Drive thru - "welcome to Tim Hortons how may I help you"
Customer - "yeah can I get an extra large double double coffee please"
Drive thru - "sure your total is $2.20 please drive up the first window"