liar flier
n.— «Forest City Ratner has just mailed its third direct-mail propaganda piece, each one a bigger production than the last. These pieces have been dubbed “liar fliers” (we don’t know who coined the phrase), due to their willful disregard for common-sense facts.» —“Atlantic Yards: The Picture Novella” No Land Grab (New York City) May 3, 2006. (source: Double-Tongued Dictionary)