Related Clues:

• One-liner producer
• Dramatic device
• Mental ability
• Wry humor
• Comic's asset
• "Oedipus Rex" literary device
• 'Educated insolence,' according to Aristotle
• Wisecracker
• Stinging surprise
• Humor with a twist, perhaps
• Jester
• Ad libber's asset
• Knack for comebacks
• Wildean quality
• Oscar Wilde, e.g.