WILLIAMSBURG, Mass.—The coffee might not be gay, and the consumers are likely coffee lovers of every persuasion, but the message of this campy new brand is clear: Gay culture and gay history are splashing onto the coffee scene. Five fledgling blends make up the new brand. There are dark roasts such as "Red Hanky Roast" and "Second Date," dark and medium blends like "Weekend Pass" and "Good Morning Mary" and a medium roast called "Stone Butch Breakfast Blend." From the young blonde sailor on "Weekend Pass" to the woman carrying moving boxes on "Second Date," each blend sports humorously crafted...