have the nerve to do something

have the nerve to do something

(British English also have the face to do something) (informal) do something that other people think is rude or not appropriate without feeling embarrassed or ashamed: He had the nerve to ask me for a pay rise after only three weeks in the job.I don’t know how she’s got the face to criticize my designs. She doesn’t know anything at all about architecture.
See also: have, nerve, something