12 means "Police." The number 12 is used to refer to the police or other law enforcement personnel.
12 is a slang term for police or any law enforcement officials of uncertain origin. Possible sources include the police radio code "10-12" and the 1968 TV show Adam-12, which followed two Los Angeles Police Department (LAPD) officers and their patrol car, "1-Adam-12."
Five-O, an American slang term for law enforcement.
What is the origin of "the fuzz" (meaning police)? It's just a jocular mispronunciation of "the force" - as in the police force, rather than "the force be with you".
Popo/Po-Po
The term popo, sometimes written as po-po, is slang for law enforcement personnel that's believed to have originated in the United States in the mid-1990s. It is considered street terminology.
Police are called 12 as a slang term. According to sources, 12 comes from the police radio code “10-12,” which means that visitors are present in the area where police are going. It's similar to a warning to police that they might have company when they arrive on the scene.
What's your 20? is part of a system of radio codes called 10-codes. They developed in the late 1930s when police squads began using two-way radio to communicate. One was 10-20, meaning “location.” Asking What's your 20? emerged as a way to seek another's whereabouts.
The term originates from the 1960's-70's television show "Hawaii Five-0," about an elite force of police in the 50'th state, hence 5-0. On the show the cops would announce themselves, saying "police, five o!" And from there the term became widely adopted as a way to announce the presence of police.
nick verb [T] (CATCH)
If the police nick someone, they catch them for committing a crime: They nicked him for driving at 70 in a 50 speed limit area. SMART Vocabulary: related words and phrases. Arresting & charging.
In London, the policemen were so identified with the politician who created them that they were referred to as “Peelers” or—more memorably—“Bobbies,” after the popular nickname for Robert.
Police officer retirement
Often when an officer retires, a call to dispatch is made. The officer gives a 10-7 code (Out of service) and then a 10-42 code (ending tour of duty).
What does 10-4 mean? Roger that! 10-4 is a way of saying “message received” in radio communications. It's also used as a way to “you got it.”
In the military, “Got your six” means “I've got your back.” The saying originated with World War I fighter pilots referencing a pilot's rear as the six o'clock position. It is now a ubiquitous term in the military that highlights the loyalty and cooperation found in military culture.
The number 12 is a numeric symbol for Aryan Brotherhood-named racist prison gangs (as are the numbers 1 and 2 separately), especially the Aryan Brotherhood of Texas. Substituting letters for numbers, 12 equals AB, i.e., Aryan Brotherhood. Sometimes the number 12 is written in Roman numerals, as I and II or as XII.
Blue Heelers
(Noun) This term is so popular that a show about Australian police officers was named after it. They call cops blue heelers because they remind them of the Blue Heeler Cattle dog.
The Australian Federal Police (AFP) is Australia's national police agency, responsible for enforcement of Australian federal criminal law and protecting Australian national interests from crime in Australia and overseas.
British slang a promiscuous woman.
The police were named the Old Bill after the act of parliament that empowered them. Apparently, pre-uniform, they were required to show their credentials in order to make arrests etc.
In case you're wondering what '730' means, it's a police code referencing to a person that is crazy or suffers from a mental disorder.
Hiring Additional Police Can Reduce Crime
A new study by the NSW Bureau of Crime Statistics and Research (BOCSAR) has found that increasing police numbers can reduce crime, but not necessarily through the apprehension of more offenders.
Code 4 Meaning. “Code 4” means everything is under control or the scene is safe.
1440 stands for Disables/Stupifies (police radio code)
The name "Secret Squirrel" is police slang for an agent of the United States Secret Service.
English/Australian slang term short for jackboots. The term can be used to describe a police officer, informant or an unreliable person. "To go jack on a mate" is the act of betraying associates or implicating them in a crime. A "jack" is someone who is considered not be trusted.
10-12 Visitors are present (be discrete). 10-13 Advise weather and road conditions. 10-14 Citizen holding suspect.