have the neck to do something

have the (brass) neck to (do something)

To have the will to do something bold, daring, or impudent; to have the nerve to do something. Wow, I can't believe that intern had the brass neck to ask for a raise on her first day!
See also: have, neck

have the (brass) neck to do something

have the impudence or nerve to do something. informal
See also: have, neck, something