give (one) some slack(redirected from give him some slack)
give (one) some slack
To be lenient with one; to give one a break. Give me some slack, Mom. I studied hard for that test, but it's just not my best subject. I think you need to give Jen some slack. She's never been late before.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.