Gillenormand (en. Gillenormand)

/ʒi.lə.nɔʁ.mɑ̃/

Slang Meanings

To behave authoritatively.
He really acted like a gillenormand during the meeting.
Il a vraiment joué le gillenormand pendant la réunion.
To be old-fashioned or outdated.
Stop being gillenormand, accept change!
Arrête d'être gillenormand, accepte le changement!