knockers

plural of knocker

A device, usually hinged with a striking plate, used for knocking on a door.
A person who knocks.
A critic; one who disparages.
(derogatory, informal) A person who knocks (denigrates) something.
(plural-normally, slang) A person's breast, especially if large.
(archaic) A dwarf, goblin, or sprite imagined to dwell in mines and to indicate the presence of ore by knocking.
A mechanical device in a pinball table that produces a loud percussive noise.
(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.
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.
(slang) A gun.
(slang) An undercover policeman.