black whistle
n.— «Yang Zuwu, general manager of the Premier League side Beijing Hyundai, said that “faked matches, black whistles, betting on games and other ugly phenomena” were increasing, the Xinhua news agency reported on Tuesday. “Black whistles” is slang for corrupt referees.» —“Beijing coach cries foul over referees” in Beijing, China International Herald Tribune Oct. 5, 2004. (source: Double-Tongued Dictionary)
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