Definition of on the knocker in English:

on the knocker

phrase

informal
  • 1British Going from door to door canvassing, buying, or selling.

    • ‘Candidates on the knocker found crime and youth nuisance were the main issues concerning voters - with the health service and cash for schools also high priorities.’
    • ‘I would be out on the knocker canvassing for Dave Nellist if I could.’
  • 2Australian NZ (of payment) immediately; on demand.

    ‘he has to pay cash on the knocker’
    • ‘They make up 89 percent of the payers, and they pay on the knocker every time.’
    punctually, on time, on the dot, on the nail
    View synonyms