off the back of a lorry

off the back of a lorry

Likely by illegal or dubious means. Said of the way something has been gotten. The American equivalent is "off the back of a truck." Primarily heard in UK. A: "Jake's been peddling a bunch of flat screens for a great price." A: "He probably got them off the back of a lorry. I wouldn't go for them, if I were you." Danny says he has several laptops and smartphones he wants to sell for cheap—sounds like they fell off the back of a lorry to me.
See also: back, lorry, of, off
Farlex Dictionary of Idioms.

off the ˌback of a ˈlorry

(British English, informal, humorous) goods that fell off the back of a lorry were probably stolen. People say or accept that they came ‘off the back of a lorry’ to avoid saying or asking where they really came from: Where did you get a new DVD player at a price like that? Off the back of a lorry?
See also: back, lorry, of, off
Farlex Partner Idioms Dictionary
See also:
  • off the back of a truck
  • fall off the back of a lorry
  • dodgy deal
  • fall off a truck
  • fall off the back of a truck
  • fall off a lorry
  • lorry
  • a cushy number
  • get (the) clearance to have (something)
  • have a head start
References in periodicals archive
Men were seen running off the back of a lorry (file photo)
ROBBERS hawking kitchen appliances off the back of a lorry are being hunted by police.