Aussie slang. An act of community resource optimisation whereby you wait for your street's bin night then stealthily offload your excess refuse into a neighbour's rubbish bin.
Sickdog: Jezza mate... Your missus is back tomorrow, there's tinnies everywhere, and your rubbish bin's full as. Get out there and binjack someone!
Jezza: Shit yeah SD, that flog next door owes me litre-age. 'Jacked me last week himself.