The term 'Witty Bit' is a phrase used to describe a humorous remark or joke. The crossword solutions for this term are GAG (3 letters), QUIP (4 letters), PUN (3 letters), JEST (4 letters), and BONMOT (6 letters). A GAG is a joke or prank, usually involving physical comedy. A QUIP is a clever or witty remark. A PUN is a play on words that creates a humorous effect. A JEST is a joke or playful remark. Finally, a bonmot is a witty remark or saying.