1844. [W. T. Thompson], Maj. Joness Courtship, 55 (Bartlett). There it is
Steboy; catch him! says he [to the dog].
1884. A. A. Putnam, Ten Yrs. Police Judge, xii. 86. They stand off and say stee-boy to the constables, who are only too ready to dog the dog-law breakers.