Green’s Dictionary of Slang

a horse suffering from glanders, a contagious disease typified by swellings beneath the jaw and discharge of mucus from the nostrils.

1788, 1796		Grose Classical Dict. of the Vulgar Tongue (2nd, 3rd edn).
1811		Lex. Balatronicum.
1823		Egan Grose’s Classical Dict. of the Vulgar Tongue.