Kerb Burglar

(n) (sometimes "curb") New Zealand/Australian term for someone (usually a student) who trawls the streets the night before a kerb-side Council cleanup of household goods, looking for anything they might find useful or valuable before it's disposed of the following morning.

I put my old stained mattress and broken gas heater out on the footpath only 10 minutes ago, and already the Kerb Burglars have grabbed them