"I was mortified," he writes. "A simple double espresso had taken on a racially offensive and violent nickname. ...It bothered me deeply, and for weeks I considered writing to the company."
It took a while, but he finally figured out that the drink was a "Black Eye."
The barista explained to him: "A red eye is an extra shot. A black eye is two shots; a purple eye, three shots."
And everything's fine now.