What is the meaning of Bon_mot?

A clever saying, phrase, or witticism; often, a witty riposte in dialogue.

bon mot (clever saying, phrase, or witticism)

bon mot (clever saying, phrase, or witticism)

Used other than figuratively or idiomatically: see bon, mot.

bon mot (clever saying, phrase, or witticism)

bon mot (clever saying, phrase, or witticism)

Source: wiktionary.org