Green’s Dictionary of Slang

bad-mind n.

(W.I.) malice, spite, animosity.

1992		calypso in H. Courlander Negro Folk Music, USA 74: In every home that you can find, / There are people who have bad mind. Chorus (after each stanza) Certain bad mind that sit and lie, / Sit and criticise the people who pass.
1996		Allsopp Dict. Carib. Eng. Usage.

In phrases

play bad-mind (v.)

(W.I.) to act in a spiteful, malicious way.

1996

Allsopp Dict. Carib. Eng. Usage.