wine lake

wine lake (plural wine lakes)

1. A large surplus of wine, especially as produced by the European Economic Community or its successors.
   • 1989 September 16, New Scientist, volume 123, number 1682, page 104:

     I don't know what the volume of the wine lake is at present, but whatever it is, there ought not to be much added to it from France in 1989, which is a mercy.

• butter mountain