have a nerve

Idioms  

1. 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]

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Example Sentences

"The next step is I'm going to have a nerve block injected into my head," he said.

From BBC

She did not have a nerve block and managed pain for a few days with Tramadol every six hours alternating with acetaminophen.

From Washington Post

“I have a nerve inside of me to do this,” Gaga said, sitting on a swivel chair in her basement studio, when I asked what drives her.

From New York Times

Asked how the nerve agent came to be used in Salisbury, the Russian envoy said: “When you have a nerve agent or whatever, you check it against certain samples that you retain in your laboratories. And Porton Down, as we now all know, is the largest military facility in the United Kingdom that has been dealing with chemical weapons research. And it’s actually only eight miles from Salisbury.”

From New York Times

It's not enough to have a nerve, that nerve must become part of a functional circuit.

From Nature