The phrase "wine snobs" refers to people who think they are experts about wine and have a superior attitude towards others who may have less knowledge or appreciation for wine. Full definition
The iOS and Android wine recommendation app «for the rest of us» — phew, not wine snobs — tells you which wines pair best with which foods. (entrepreneur.com)
Since opening in 2002, Grapeline Wine Tours has provided expertly curated winery excursions, shared insider knowledge about our local wine culture, and created a welcoming experience that promises to please wine snobs and novices alike! (estemecula.com)