Related Clues:

• Stinging surprise
• Humor with a twist, perhaps
• Jester
• Ad libber's asset
• Knack for comebacks
• Wildean quality
• Oscar Wilde, e.g.
• Twisted wit
• A way with words
• Apt humor
• Hipster's sartorial tool
• Puns and such
• Unexpected outcome
• O. Henry technique
• Literary technique