yak
n.— «Their discovery of cognac—“yak” as they affectionately call it—started a fashion among young black Americans who, in a practice considered heresy in France, mix it with fruit juices to make cocktails such as French Connection and Incredible Hulk. The rappers even wrote songs about Hennessy Cognac, referring to it as “Henny” or “Henn-dog.”» —“Cool Siberians soak up fashionable cognac” by Matthew Campbell Times (London, England, United Kingdom) Jan. 19, 2009. (source: Double-Tongued Dictionary)