# knocker
## English
### Etymology

From knock +‎ -er.

### Pronunciation

* Audio (General Australian):(file)
* Rhymes: -ɒkə(ɹ)

### Noun

knocker (plural knockers)
* A device, usually hinged with a striking plate, used for knocking on a door.
** 1897, Richard Marsh, The Beetle:Knockers in this part of the world seem intended for ornament only, — nobody seems to pay any attention to them when they’re used.
** 2016 August 18, Ben Gallaty (lyrics and music), “Small Red Boy”, in The Bible 2, performed by AJJ:His tongue became a staircase, his uvula the knocker / Of an ornate wooden door that led me straight into my future
* A person who knocks.
** 1963, Patrick Anderson, The Character Ball: Chapters of Autobiography, page 220:He was a loud knocker. Despite my usual timidity, after a bit I opened the door.
* A critic; one who disparages.
** 1947, Saul Bellow, The Victim:"I try to give everybody credit," declared the old man. "I am not a knocker. I am not too good for this world."
* (informal, derogatory) A person who knocks (denigrates) something.
* (slang, usually in the plural) A person's breast, especially if large.
* (especially Cardigan, in South Wales, archaic) A dwarf, goblin, or sprite imagined to dwell in mines and to indicate the presence of ore by knocking. [18th to 19th c.]
* (pinball) A mechanical device in a pinball table that produces a loud percussive noise.
** 1963, Harper's magazine, volume 226:A good game needs color, lights, bells, gongs, and knockers, all to assure the player he is making progress […]
* (dated, slang) A person who is strikingly handsome or otherwise admirable; a stunner.
* A large cockroach, especially Blaberus giganteus, of semitropical America, which is able to produce a loud knocking sound.
* (geology) A large, boulder-shaped outcrop of bedrock in an otherwise low-lying landscape, chiefly associated with a mélange.
* (slang) One who defaults on payment of a wager.
** 2004, Carl Chinn, Better Betting with a Decent Feller, page 48:To the consternation of those who believed that bookies were 'knockers' (defaulters), he paid his losses with alacrity […]
* (slang, Eastern African-American Vernacular) A gun.
** 2021 March 18, “Brotherly Love” (track 3, 1:01 from the start), in Dougie B (lyrics), The D.O.A. Tape‎:Lay down on that 'Tussin, I think I'ma snooze (Like, like what?) We keep knockers like this shit essential .22 long rifles, these bullets like pencils Homicide, bodies drop when we bend through
** 2022 February 22, “Keep a Blixky” (track 10, 1:05 from the start), in The Blixky Tape 2 (Deluxe)‎:Last opper we caught had to pop 'em, shouldn't've left out his crib without knockers
** 2022 October 31, “Doomsday” (track 7, 1:53 from the start), in Kay Flock (lyrics), F L O C K A‎:Dotty my holster, totin on this knocker (Grrah, grrah) If we see the'Ds, bitch, move proper
* (slang, Eastern African-American Vernacular) An undercover policeman.
** 2019 December 31, “Draco” (0:33 from the start), Chris Èlite (lyrics)‎:The knockers around better do what I say so

#### Synonyms

* (a person's breasts): See also Thesaurus:breasts

#### Derived terms

* apple-knocker
* black as Newgate's knocker
* bommy knocker
* cock knocker, cock-knocker
* doorknocker, door knocker
* fartknocker, fart knocker, fart-knocker
* knockers
* knocker-up, knocker up
* knocker-upper
* Newgate knocker
* nigger knocker, nigger-knocker
* on the knocker
* pork knocker, pork-knocker
* ring knocker
* saggar maker's bottom knocker
* slobber knocker, slobber-knocker
* tin knocker
* tommyknocker
* up to the knocker