Green’s Dictionary of Slang

choice spirit n.

[SE choice spirit, a spirit of special excellence, worthy of being chosen; SE was coined by Shakespeare in Henry VI Pt 1 (1599)]

a devil-may-care, selfish, drunken person.

[UK]Grose Classical Dict. of the Vulgar Tongue .
[UK]Lex. Balatronicum.
[UK]‘Jon Bee’ Dict. of the Turf, the Ring, the Chase, etc.
[UK] in Egan Bk of Sports 192: Now Rounding’s is a House of Call — / Indeed! for ‘choice spirits!’ / And those who love bat and ball.