Green’s Dictionary of Slang

(W.I.) an eccentric, one who is psychologically damaged.

2015		Jamaica Patwah 22 Dec. 🌐 Nuff a dem bway inna di city tun' stakki sake ah di crack weh dem blak up inna dem caana.
2016		Jamaica Patwah 22 May 🌐 stakki A mad or demented person.