Wine World: The perfect white wine for a warm afternoon

A very long time ago, on a rainy day in Lisbon, Sairey and I took a cab to the Gulbenkian and then walked back to our hotel through Lisbon.
Needless to say, we required sustenance en route. We stopped at a small sidewalk café where the only language was Portuguese. However, I have an unusual talent and can order wine anywhere in the world in any language. I asked for a vinho verde, the very light, bright, refreshing white wine that serves as adult lemonade throughout Portugal.
To my surpr