资料来源 : pyDict

劣质的威士忌酒

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Rotgut \Rot"gut\, n.
   1. Bad small beer. [Slang]

   2. Any bad spirituous liquor, especially when adulterated so
      as to be very deleterious. [Slang]

资料来源 : WordNet®

rotgut
     n : any alcoholic beverage of inferior quality