Green’s Dictionary of Slang

kind n.

[Hawaiian surf sl. da kine, anything of which one forgets the precise name]

1. (US) (constr. with the) anything good such as food, drugs or liquor.

[US]Da Bomb Summer Supplement 9: Kind (adj.) 1. The best, superior quality, the ultimate.
[US](con. 1975–6) E. Little Steel Toes 135: Loafers made from soft, dull leather that the shoe guy swore were the kind.

2. (US drugs, also kind bud) superior quality cannabis.

[US] P. Munro Sl. U.
[US]Eble Campus Sl. Sept. 4: kind – of high quality. From drug culture, a clipping from kind buds, high quality marijuana.
[US]ONDCP Street Terms 13: Kind — Marijuana.
[US]E. Pruitt ‘Houston’ in ThugLit Mar. [ebook] A mysterious field of kind bud hidden deep in the East Texas thicket.