Related Clues:

• Astuteness
• Seinfeld specialty
• One skilled at repartee
• Overused humor technique
• Figure of speech
• Caustic remark
• Humorist
• Good sense
• O. Henry device
• He's a hoot
• The fire station burned down, e.g.
• Reparteeist
• Twisted humor
• Brainpower
• Raconteur's asset