Green’s Dictionary of Slang

skank n.3

also skankweed

(drugs) marijuana.

OnLine Dict. of Playground Sl. 🌐 skank n. [...] 2) marijuana. e.g. ‘Did you skank my skank?’.
[NZ]D. Looser Boobslang [U. Canterbury D.Phil. thesis] 167/2: skank n. a less common variant of skunk.
[US]C. Goffard Snitch Jacket 40: A few ounces of pot, 10 or 12 skankweed dime bags generously cut with oregano.

In derivatives

skanked out (adj.)

(US drugs) intoxicated by a drug.

[US]J. Stahl Permanent Midnight 19: Midwest Tims and Tammies, skanked out in Tomy’s Coffee Shop.
skankie (n.)

1. (N.Z. prison) an inmate willing to perform work for payment in marijuana.

[NZ]D. Looser Boobslang [U. Canterbury D.Phil. thesis] 167/2: skankie n. l an inmate willing to perform a variety of menial and/or potentially dangerous tasks for another inmate, in return for an amount of skunk weed 2 = skunk joint.

2. (N.Z. prison) a marijuana cigarette.

[NZ]D. Looser Boobslang [U. Canterbury D.Phil. thesis] 167/2: skankie n. 2 = skunk joint.