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(as) black as Newgate's knocker
dated Completely black; totally without light or color. Refers to the black iron knocker on the door of Newgate Prison in London. Primarily heard in UK. The basement gives me the creeps, it's as black as Newgate's knocker down there!
on the knocker
Going door to door, as to solicit a a sale or vote or to provide information. Primarily heard in UK, Australia. When I was just out of college, I had a job on the knocker for a mobile phone provider to get people to switch their plans. We're urging everyone who wants to see this referendum pass to get out on the knocker and spread the word.
up to the knocker
As good as what was expected, required, or demanded; satisfactory or adequate. A: "How's your dinner?" B: "It's up to the knocker, on par with this place's usual standard." It's nice to see that Jenny's work is up to the knocker again lately.
Someone who hails from a rural place and is regarded as unworldly. Ugh, those apple-knockers move too slow for life here in the big city.
on the knocker1 going from door to door, usually canvassing, buying, or selling. 2 (of payment) immediately; on demand. Australian & New Zealand informal
up to the knockerin good condition; to perfection. informal
1. n. the breasts. (Usually objectionable.) Nice knockers, huh?
2. n. the testicles. (Usually objectionable.) Pow, right in the knockers. Ye gods, it hurt!
See also: knocker
A country bumpkin. One of the many terms that city slickers applied to less sophisticated rural dwellers (“rube,” “hayseed,” and “Gomer” are others). The phrase came from fruit harvesters using long sticks to dislodge the hanging crop.