a US ‘bourbon’ whisky (= made from maize/corn and rye) which is sold all over the world. It has been produced since 1866 at the Jack Daniels Distillery in Lynchburg, Tennessee , the oldest in the US.
Compare Southern Comfort .
JACK DANIELS
Meaning of JACK DANIELS in English
Oxford guide to British and American culture English vocabulary. Руководство по британской и американской культуре, Оксфордский английский словарь. 2005