adj. (old).See quots.
1785. GROSE, A Classical Dictionary of the Vulgar Tongue, s.v. MOON-EYED HEN. A squinting wench.
1792. A. YOUNG, Travels in France (17879), p. 75. The English mare that carries me is going rapidly blind. She is MOON-EYED.
1811. GROSE and CLARKE, Lexicon Balatronicum, s.v.
1859. G. W. MATSELL, Vocabulum; or, The Rogues Lexicon, s.v. MOON-EYED HEN. A squinting prostitute.