Idioms and Phrases with rob someone blind
rob someone blind
Cheat someone in an unusually deceitful or thorough fashion, as in The nurse was robbing the old couple blind. This idiom may allude to robbing a blind beggar, who cannot see that the cup collecting donations is being emptied. [Mid-1900s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.