K
- K-9
- Police patrols using dogs, or the dogs themselves ("He is a K-9 patrol officer.") Homophone of "canine".
- Kesta
- Finnish, derogatory. From the German "Gestapo".
- Keuf
- French, slang, of uncertain origin (one meaning is given as being "flic" in reverse – see verlan).
- Khaki Kutta
- India, derogatory, of police constables. Translates as Brown, or Khaki, Dog, from the colour of their uniform, which resembles the colour of feral dogs. Often used for crooked officers.
- Kiberer
- (sometimes Kiwerer) Austrian, esp. Viennese derogatory slang for police officers, or police in general ("Kiberei"). Most likely of Yiddish origin, either "kewjus" (security) or "kiben" (to rant).
- Kissalan pojat
- The Finnish name for The Katzenjammer Kids, used as a slang term for the police.
- Kodiak (with a Kodak)
- CB slang for a police car with a radar, see "Bear".
- Kopó
- Hungarian, meaning sleuth or beagle.
- Koukku
- A Finnish slang term for the police, literally meaning "wikt:hook".
- Krawężnik
- Polish, from "curb", designating an officer patrolling the neighbourhood on foot.
- Kyttä
- Finnish, derogatory, of police officers. Translates as someone snooping, staring or ogling.
Read more about this topic: List Of Police-related Slang Terms
Main Site Subjects