il y a une couille dans le potage*

* there is a testicle in the soup

French France

Expression USED On Occasion BY Some People

When something is unexplained or not normal. (We’ll never know if the problem is the only one testicle or the fact that’s in the soup).

"Ma voiture ne démarre pas - il y a une couille dans le potage."

"My car won't start - there's a testicle in the soup."