What is a slang-like phrase to use to describe someone constantly asking (in a formal or informal way) you to do something?

Solution 1:

What about:

  • going/carrying on about
  • on my back about
  • on my case about

"My wife has been carrying on about that broken sprinkler."

"My wife has been on my back about fixing the broken sprinkler."

"My wife has been on my case about the broken sprinkler."