sb. pl. slang. Also -es. [Cf. KICK sb.2 2.] Breeches; trousers.
1812. J. H. Vaux, Flash Dict., Kickseys, breeches; a purse got from the kickseys. To turn out a mans kickseys, means to pick the pockets of them.
1834. H. Ainsworth, Rookwood, III. v. (1878), 189. Jist twig his swell kickseys and pipes.
1851. Mayhew, Lond. Labour, I. 52/1. A pair of Kerseymere Kicksies, any colour, built very slap up.