have a tight grip on (someone or something)
(redirected from has a tight grip on her)have a tight grip on (someone or something)
To maintain strict or tight control over someone; to not allow someone very much independence or autonomy. Ever since George lost most of their life savings in a drunken poker match, his husband has had a tight grip on the family finances. The boss has had a tight grip on her assistant ever since she first hired him.