Green’s Dictionary of Slang

sycher n.

also zoucher
[dial. sycher, a bad man]

an objectionable, unpleasant person; an idler.

[UK]Barrère & Leland Dict. of Sl., Jargon and Cant II 328/2: Sycher (popular), a contemptible person. [Ibid.] 428/2: Zoucher (thieves), a slovenly fellow.
[Aus]Crowe Aus. Sl. Dict. 98: Zoucher, a slovenly fellow.