i believe that would be brass.
No, "noodle" is a slang term for a type of pasta. It is not commonly used as a slang name for head.
A beefer is a slang term for a police informer, or a cow used for beef and not milk.
"Poe-poe" in Cajun slang typically refers to the police. It is a colloquial term used to refer to law enforcement officers.
The slang term "pig" is often used as a derogatory and offensive term to refer to police officers. It is commonly used in informal or disrespectful settings.
Sarge is short for Sergeant, a rank used by both the Military and Police.
Copper!
Quids
"The fuzz" is a slang term often used to refer to the police. It has been used in popular culture and among certain groups to describe law enforcement officers.
Flic is a French term used to describe a French police officer (slang word being cop). The 'dictionary' online website states that the slang word was used from 1895-1900.
In some Spanish-speaking countries, "ardillas" is a slang term used to refer to police officers or law enforcement. It is similar to calling them "pigs" in English slang.
In American English, "cop" is the slang term for a police officer. It and also be used to mean grab, as in "to cop a feel".
Blue metal is a name of an aggregate used in constructions; it is not a metal.