October, n. — Green’s Dictionary of Slang

October n.

[SE October ale, a strong beer brewed in October]

blood.

1854		‘Cuthbert Bede’ Adventures of Mr Verdant Green (1982) II 166: While to another he would mention as an interesting item of news, ‘Now we’ll tap your best October!’.
1855		(con. 1852) Fights for the Championship 250: He eached Orme’s smeller, a heavy nosender which tapped his best October.