1Attributive Designating fashions, clothing, etc., characteristic or reminiscent of the character of the foppish Lord Dundreary, especially designating the long, drooping style of sideburns popularized by the character and fashionable in the second half of the 19th century, as "Dundreary whiskers".
2In plural. Long, drooping sideburns of the kind worn by, and popularly associated with, the character of Lord Dundreary. Also in singular: this style of facial hair.
Also called Piccadilly weepers.
Mid 19th century; earliest use found in The New York Herald. From the name of Lord Dundreary, a character in T. Taylor's comedy Our American Cousin.