A device, usually hinged with a striking plate, used for knocking on a door. / A person who knocks. / A critic; one who disparages. / (informal, derogatory) A person who knocks (denigrates) something.

plural of knocker

(slang) A woman's breasts.

(colloquial) Going from door to door attempting to buy or sell goods fraudulently.

(of a door) Having a knocker

A surname.

Alternative form of knocker-up

A sheet metal worker, especially one who works with HVAC ductwork.

(informal) A violent collision experienced by a person. / (informal) A violent physical confrontation.

Alternative form of knocker-up