DCHP-1 Online
G.O.M. Obs. 
Grand Old Man, with reference to Sir John A. Macdonald in his later political career.
- 1891 "Well, no," replied the G.O.M. . . .
- 1895 Such funny business is scarcely in keeping with the masterly political moves of the G.O.M.
- 1891 "Well, no," replied the G.O.M. . . .