n. A servant at a hotel or elsewhere, who cleans and blacks the boots and shoes. [ 1913 Webster ]
n. A humerous appellation for a sly, cunning, or waggish person. [ 1913 Webster ]
Slyboots was cursedly cunning to hide 'em. Goldsmith. [ 1913 Webster ]
n. pl. High boots, having generally a band of some kind of light-colored leather around the upper part of the leg; riding boots. [ 1913 Webster ]