need (to have) your head examined

US /niːd tə hæv jʊər hɛd ɪɡˈzæmɪnd/
UK /niːd tə hæv jʊər hɛd ɪɡˈzæmɪnd/
"need (to have) your head examined" picture
1.

avoir besoin de se faire examiner la tête, être fou

used to say that someone is acting in a very foolish or crazy way

:
If you think that's a good idea, you need your head examined.
Si tu penses que c'est une bonne idée, tu as besoin de te faire examiner la tête.
He wants to quit his stable job to become a street performer? He really needs his head examined!
Il veut quitter son emploi stable pour devenir artiste de rue ? Il a vraiment besoin de se faire examiner la tête !