- on the knocker, British Slang. canvassing or selling door-to-door.
Origin of knocker
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for knocker
When he tried the knocker, a bobby came along and stopped him.The Black Bag
Louis Joseph Vance
What souvenir of a great man can compete with the knocker of his door?
Surely if any knocker is characteristic of its owner this one is.
A knocker of slender grace is the best feature of the hardware.The Colonial Architecture of Philadelphia
At the rat-tat-tat of the knocker her heart flew into her mouth.To-morrow
- an object, usually ornamental and made of metal, attached to a door by a hinge and used for knocking
- informal a person who finds fault or disparages
- (usually plural) slang a female breast
- a person or thing that knocks
- on the knocker Australian and NZ informal promptly; at onceyou pay on the knocker here
Word Origin and History for knocker
late 14c., agent noun from knock. Sense of "door banger" is by 1590s. Knockers "a woman's breasts" is slang attested from 1941.
Online Etymology Dictionary, © 2010 Douglas Harper