zouch, n. — Green’s Dictionary of Slang

zouch n.

[? SE slouch, ‘an awkward, slovenly, or ungainly man; a lubber, lout, clown; also, a lazy, idle fellow’ (OED)]

a slovenly, ungenteel man, one who walks with a slouch.

1728		Defoe Street Robberies Considered 35: Zouch, an ungenteel Man.
1785, 1788, 1796		Grose Classical Dict. of the Vulgar Tongue n.p.: Zouch or slouch, a slovenly ungenteel man, one who has a stoop in his gait.
1811		Lex. Balatronicum.
1823		Egan Grose’s Classical Dict. of the Vulgar Tongue.