black and tan—(UK sl.) a drink composed of porter and ale:
- He asked for a pint of black and tan, and had to explain to the waiter what it was.
Black and Tans, the—(UK hist.) an armed force specially recruited in 1921 to combat Sinn-Fein (an Irish movement dedicated to the unification of Northern Ireland and the Republic of Ireland):
- I read a lot about the Black and Tans during my British and Irish politics class.