POTEEN Meaning of POTEEN in English [ pɒ'ti:n ](also potheen ) ■ noun chiefly Irish illicitly made whiskey.OriginC19: from Ir. (fuisce) poitín 'little pot (of whiskey)', dimin. of pota 'pot'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004