scabbado, n. — Green’s Dictionary of Slang

scabbado n.

[a ‘Spanished’ version of SE scab, syphilis]

syphilis.

1651		‘King and Miller of Mansfield’ in Fun for Million (1835) 491/2: Or art thou not troubled with the Scabbado / [...] / Art thou not lowsy, nor scabby?
1689		R. L’Estrange Erasmus Colloquies 62: Hot Baths [...] are found to be ill for the Scabbado.
1746		T. Gent Life (1832) 187: That was enough to infect a man with Scotch scabbado.
1754		G. Villiers Works 397: This whiffling scabbado has long been famous at court.