Green’s Dictionary of Slang

(W.I.) collateral, in the form of money or contacts.

1995		Francis-Jackson Official Dancehall Dict. 2: Backitive collateral; cash; influential friend: u. me ’ave backitive.
2005		Jam. Gleaner 28 Aug. 🌐 But a whole barrage of people a do it is a tradition, a movement, dem have backitive, touch one yu touch all.
2008		posting at pegasus.dancehallreggae.com 22 Nov. 🌐 an oman love provoke man chun dem have babylon backitive.