get on top of somebody
get on top of (one)
To overwhelm one to a point of despair or powerlessness. If you don't do your homework now, it will get on top of you later. I don't know what I'm going to do—the credit card bills have just gotten on top of me.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
get on ˈtop of somebody(of a problem, too much work, etc.) make somebody feel very worried or depressed: She’s letting things get on top of her at work.
Farlex Partner Idioms Dictionary © Farlex 2017