1875 19 June 80/2 ‘Larrikinism’ was used as a synonym for ‘blackguardism’, and ‘dummyism’ for ‘perjury’.
1877 M. Clarke 211 It contains powers to prevent dummyism, and gives concessions to Crown lessees.
1880 C. H. Pearson in Feb. 532 In Victoria..the system specially favours dummyism.