get (hold of) the wrong end of the stick
idiomPart ofwrong
get (hold of) the wrong end of the stick — idiom
1. To misunderstand a situation or what someone has said.
1.idiom
Definition
To misunderstand a situation or what someone has said.
Example
I think you got the wrong end of the stick about my comment.
She got hold of the wrong end of the stick and thought I was angry.