slap someone on the wrist
slap (one) on the wrist
To issue one with a very mild, inconsequential punishment or warning. The CEO ripped off millions of people, and instead of throwing him in jail where he belongs, they're just slapping him on the wrist. Of course the country is going to keep developing nuclear weapons if all we do is slap them on the wrist for it.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
slap someone on the wristverb
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.