From Longman Dictionary of Contemporary Englishwine/milk etc lakewine/milk etc lakeBritish EnglishTOO/TOO MUCH a very large amount of wine, milk etc that has been produced but is not needed or used → mountain → lake
Examples from the Corpus
wine/milk etc lake• The food is dumpling-based, substantial, and it would be kinder to draw a veil over the indigenous wine lake. 