black and tan

Noun

 * 1)  Any of various breeds of dog having black and tan colouring.
 * 2)  A bar, nightclub etc. which had both black and white customers, especially one that featured black entertainers.
 * 3)  An alcoholic drink made from a dark and a light malt, typically stout (black) and ale (tan).
 * Not only did the Dublin barkeeps not make a shamrock in the foam, they claimed to not even know what a black and tan was.