Personally, I like:
Turkish coffee, I received a cezve as a gift, Lots of crema (they don’t call it that, but it’s very frothy).
Coffee soda. Double shot espresso in a glass of ice, add soda water to taste. Great when it’s hot out.
Coffee milk. Same double shot in a glass of milk, with lots of sugar. Reminds me of my childhood. The official state drink of Rhode Island.
Oh man. In the '90s Pepsi test marketed a coffee soda called Pepsi Kona in my area. I loooooved it but I think most people didn’t care for it. It never occurred to me that I could just make it!