Cabbage meaning : An edible plant (Brassica oleracea var. capitata) having a head of green leaves. The leaves of this plant eaten as a vegetable. A person with severely reduced mental capacities due to brain damage. Used as a term of endearment. Money. Marijuana leaf, the part that is not smoked but from which cannabutter can be extracted. The terminal bud of certain palm trees, used for food. The cabbage palmetto (Sabal palmetto), a palm of the southeastern US coasts and nearby islands. To form a head like that of the cabbage. To do nothing; to idle; veg out.