Related Clues:

• Laughing matter
• One-liner, e.g.
• Be jocular
• Be less than serious
• Bumper sticker phrase, usually
• "Surely you ---!"
• Part of the psyche
• Bon __: witticism
• Make sport
• Spirit in which something may be spoken
• French word
• Witty comeback
• Crack wise
• Fun
• Bon __