vulgar slang for testes, although this usage may be derived from nakerssmall medieval kettle drums which were typically played in pairs suspended from a belt around the waist. The term "knacker drinking" refers to the practice of consuming alcohol in the open, e.g. in a field or a park, or by a roadside or canal; the drink is typically cheap cider, beer or vodka from an off licence. "Knacker drinking" is commonly done by teenagers or students. The British satirical magazine Private Eye often refers to senior police figures as "Inspector Knacker" or the police force in general as "Knacker of the Yard", a reference to Jack "Slipper of the Yard" Slipper. Automotive junkyards, salvage yards or recyclers may also be referred to as "knackers' yards" or "knackers". The word has also been used as a derogatory term against members of the Travelling Community in both Britain & Ireland. There have been some calls to cease the use of slang terms like "knacker drinking" and "knackered" as a result. References Pejorative terms for people Animal husbandry occupations Irish slang British slang Livestock