Green’s Dictionary of Slang

(W.I. Rasta) covetous, thus both mean and greedy.

1862		Capt. Clutterbuck’s Champagne 233: Dis brown lady too bad, cubbich as a ’tar-apple tree. (n.b. the star-apple tree does not cast its fruit, however ripe).
1910		Anderson & Cundall Jamaica Proverbs and Sayings 9: Cubbitch fe one plum, you lose de whole bunch.
1929		M. Beckwith Jamaica Proverbs (1970) 30: Cubbitch fe one plantain you lose de whole bunch.