A rip-off' is a term used to describe an unfair or deceptive practice in which someone takes advantage of another person or group. It is often used to describe a situation in which someone charges too much money for goods or services, or when someone copies another person's work without giving them credit. The acronym ITS stands for 'It's a rip-off!' and is used to express disapproval or outrage at the unfairness of the situation.