Green’s Dictionary of Slang

cabbage v.3

[cabbage n.2 (2c)]

1. (N.Z. drugs) to smoke second-rate marijuana.

[NZ]McGill Dict. of Kiwi Sl. 25/1: cabbaging smoking dope leaves, inferior product.
[NZ]McGill Reed Dict. of N.Z. Sl. [as cit. 1988].

2. to be intoxicated by drugs or drink [cabbaged adj. (3); adds image of the cabbage as a vegetable adj.].

[UK]K. Sampson Outlaws (ms.) 42: Miserable, unwashed, unproud bodies cabbaging on smack for day after day.