donner sa langue au chat*

* to give one's tongue to the cat

French French speaking countries

Expression USED On Occasion BY Some People

Indicates that you don't have the answer to a question or don't want to try to guess it anymore.

"M. & Mme Gator ont un fils, comment s'appelle-t-il?" "Je donne ma langue au chat!"

"Mr & Mrs Gator have a son, what is his name?" "I give my tongue to the cat."

Confirmed by 5 people