Related Clues:

• Swift quality
• Comic's asset
• 'Educated insolence,' according to Aristotle
• Wisecracker
• Jester
• Ad libber's asset
• Knack for comebacks
• Wildean quality
• Oscar Wilde, e.g.
• A way with words
• Comedy writer's sine qua non
• Funny stuff
• Satirist's specialty
• Apt humor
• Puns and such