duck fart
n.— «“Duck fart” is an endearing Australian colloquialism used to describe the pungent barnyard aromas given off by ripe Shiraz. Dr. Johnson’s “anatiferous” is a far more genteel term.» —“Pendock Unfiltered—Winespeak Wordsmiths” by Neil Pendock South African WineNews Sept. 9, 2005. (source: Double-Tongued Dictionary)