to be ready to protect or defend someone: Don’t worry. I’ve got your back. Defending and protecting. baby.

What does it mean when someone says I’ve got your back?

A person saying they have your back means they are there to help you out, they will watch out and take care of the things you’re likely to miss, that they are a second set of eyes and hands for you; for Firefox this likely means things dealing with security, unwanted popups, and malicious things that happen on the

What it means to have someone’s back?

1 : to be with (someone who has returned) again Welcome home! It’s great to have you back (with us again)! We’d love to have you back for another visit. He longs to have her back in his life.

Having someone’s back is an idiomatic expression meaning that you’re watching out for that person, basically taking care and protecting that person from harm. Backing someone up is also an idiomatic expression meaning that you will support that person in word and deed.