1. Illegally distilled Irish whiskey or other spirits, typically made in small quantities.
Usage: informal; chiefly Irish

Examples

• The old farmer kept a bottle of potheen hidden in his barn.
• During Prohibition, potheen was smuggled across the Irish border.
• He took a sip of the homemade potheen and coughed at its strength.
• The village had a reputation for producing the finest potheen in the county.
• Potheen was traditionally made from potatoes or grain in rural Ireland.