have a/some nerve(redirected from had a nerve)
have a/some nerve
To do something bold, daring, or impudent. Wow, that intern has some nerve asking for a raise on her first day! You really have a nerve, asking Mom for money when you already know she's in a bad mood.
have a nerve
Also, have some nerve. Have audacity, show effrontery. For example, You have a nerve telling me what to do, or She had some nerve, criticizing the people who donated their time. The related have the nerve is used with an infinitive, as in He had the nerve to scold his boss in public. This idiom uses nerve in the sense of "courage" or "audacity." [Late 1800s]