Good time Charlie

A person with a certain level of responsibility, such as a police officer or military. Who basically fucks off on their duties party, do/sell drugs, etc.

“You swear an oath to protect citizens above yourself every time you wear that uniform, but we all know you’re just a good time Charlie…you’re under arrest for taking bribes, drug trafficking, and solicitation of a prostitute. Hand over your badge and gun. And the other gun. And the other one, and the other, and that one…..”