Usaully depending on what context its used in, it means both feel the same way about it like when you ask someone did you break up with them? or did they break up with you? and they say it was mutual that means they both felt the same way about it an broke up with each other.
If you say to someone "The feeling is mutual" you are telling that person that you agree with them - your opinions, thoughts, feelings mirror theirs. It means: "I feel the same way about sucking your nob"
It means that they mean a lot to you, and if they say it back, then the feeling is mutual.
It means they feel the same- they're sorry too.
You should ask her what she thinks about it. Then maybe you could ask her out. If she said that, I don't mean to burst your bubble but I think the feeling ain't mutual. Just ask her what she thinks. Then take it from there.
talk to them, if the feeling is mutual, have at it.
You're the only one who can decide whether to act on it or not. That being said, you also have to consider whether or not the feeling is mutual on her part.
It could mean that he likes you too or that he's interested.
He likes you. Take a chance.
The Frank Sinatra Show - 1957 The Feeling Is Mutual was released on: USA: 27 December 1957
That's how I am really means that you have said exactly how you are feeling.
Don't worry, the feeling is mutual!
He doesn't respect you and the feeling isn't mutual (if he even knows how you feel).