mug copper noun a police officer, viewed as inherently stupid AUSTRALIA,1945
Go on, Louis! Bite the bloody mug copper! — Vince Kelly, TheBogeyman, p. 25, 1956
My father was already doing some anticipatory laughing, as Roy went on, “and this mug copper comes up, and starts having a go at him.” — SydneyCityHub, p. 5, 4 April 1996