rob (one) blind
To steal everything someone owns, especially through deceitful or fraudulent means. Sometimes used to insinuate that someone is charging too much money for something. The CEO was sent to prison for robbing his clients blind through a complex Ponzi scheme. Another $100 in fees? These guys are robbing us blind!
rob someone blind
1. Fig. to steal freely from someone. Her maid was robbing her blind. I don't want them to rob me blind. Keep an eye on them.
2. Fig. to overcharge someone. You are trying to rob me blind. I won't pay it! Those auto repair shops can rob you blind if you don't watch out.
rob (someone) blind
To rob in an unusually deceitful or thorough way: robbed the old couple blind while employed as a companion.