black and tan

noun3

1. •
   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.
2. •
   Any of various breeds of dog having black and tan colouring.
3. •
   (US, slang) A bar, nightclub etc. which had both black and white customers, especially one that featured black entertainers.

noun1

1. •
   A member of the RIC British paramilitary force, operating against Irish republicans in the War of Independence 1920/21.