Green’s Dictionary of Slang

(N.Z. prison) used of various pairings based on the transfer of contraband.

2001

D. Looser Boobslang [U. Canterbury D.Phil. thesis] 193/2: truck and trailer n. 1 two inmates sent out to collect a large packet of contraband because it is too big for one inmate to successfully charge or carry on his person 2 two packets of contraband deposited in a single drop: one packet is the truck and the other is the trailer. 3 a situation that occurs when an inmate collects a drop containing two parcels of contraband and must charge both the loads to smuggle them back into the prison.