Meat-wagon

They are not even meat-wagons. They are open trucks, specially fitted up with a roof and sides and seats and windows and lamps.

Source: wiktionary

Forty years later a similar appeal led to the establishment of a Harlem public market on a site previously "indifferently supplied" by "meat-wagons" that visited on an occasional basis.

Source: wiktionary

“Flag your diapers over here to the Vocapex studio and bring along a meat-wagon. I'll be waiting for you on Stage Three. Yolande Adaire just got herself opened like a book.”

Source: wiktionary

Sergeant Spola eased himself up from the back seat of his police meat-wagon.

Source: wiktionary