to gossip, to chatter
On va encore jaser si on nous voit rentrer ensemble.
People will start talking again if they see us coming in together.
— In the Mood for Love (2000)
Sans que cela fasse jaser les voisins.
Without causing a stir among the neighbors.
C'était bien de jaser, non ?
It was nice chatting, wasn’t it?
— Day Watch (2006)
Notre absence fera jaser.
Our absence will cause a stir.
— Épouses et Concubines (1991)