Manzanilla
One of my worn, old stories involves the practical jokes of a bartender who made fun of three amigos ordering manzanilla in Jerez, Spain, sending each of them back to the table with cups of hot tea, too proud to admit that they didn’t speak Spanish well enough to buy a drink.
Here’s a post at Tapas Talk that makes me want to go back and order some tapas and fino the right way.