black and tan

Short definition from Wiktionary

Noun

1. 1
   Any of various breeds of dog having black and tan colouring.
2. 2
   A bar, nightclub etc. which had both black and white customers, especially one that featured black entertainers.
3. 3
   An alcoholic drink made from a dark and a light malt, typically stout (black) and ale (tan).
4. 4
   Alternative form of black and tan.
5. 5
   A member of the RIC British paramilitary force, operating against Irish republicans in the War of Independence 1920/21.