to be very careful not to offend or upset someone: If you're sick you don't want people treating you differently, and you really don't want people walking on eggshells around you.

When should you walk on eggshells?

What does it mean to walk on eggshells around someone? When you walk on eggshells around another person, you're afraid to upset or offend them.

What does it mean when you are walking on eggshells?

to be very careful how you behave around someone because you might easily make them angry or upset. We're all walking on eggshells around her since her dog died.