Devil's buttermilk

English

Noun

the Devil's buttermilk (uncountable)

1. (informal) Whiskey.
   • 11 May 2005, Ian Paisley, House of Commons Hansard Debates, Hansard:

     I am glad that you, Mr. Speaker, are in a minority, because we both refrain from indulging in the stronger waters—or the Devil's buttermilk, as I sometimes call it.