avoir les dents longues*

* to have long teeth

French French speaking countries

Expression USED On Rare Occasion BY Older Generations

To be very ambitious and aim high, but in a pejorative way. You would do anything to reach your goal.

"Les soeurs de Cendrillon ont les dents longues et sont prêtes à tout pour se marier avec le prince."

"Cinderella's sisters have long teeth and they are willing to do anything in order to marry the prince."

Confirmed by 6 people