"Flics" is a slang term used to refer to police officers. This term is popular in France, but it is also used in other parts of the world. However, "flics" is not the only word used to refer to police officers in the English language. Some synonyms for "flics" are cops, law enforcement officers, peace officers, constables, sheriffs, and detectives. These words are interchangeable and can be used in any context where "flics" would be appropriate. It is important to note that the use of slang terms like "flics" can come off as derogatory or disrespectful, so it is best to use official titles when referring to police officers in professional settings.