rip someone off rip (someone) off 1. to cheat or deceive someone. If your kids lie to you, you feel emotionally ripped off. She offers advice on how you can keep restaurants from ripping you off. 2. to steal from someone. He admitted he had ripped off a drug smuggler and blown up his boat. I have a great idea for a book, but I don't want the publisher to rip me off. |