The lack of accountability in this company has made room for people to slack off.
Look, maybe we'd better slack off for a while, Ethel— what do you think?
He tended to slack off and sleep while the others would go out in search of food and water.
Just because your infant hasn't learned how to smile doesn't mean you should slack off on the picture taking.
If the co-parent starts to slack off on the rules you agreed upon, bring it up as soon as you find out.