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1.
An exceptionally clever form of comeback, rejoinder, riposte or repartee designed to entertain mainly the speaker; a inside joke of the purest form reserved for only the gifted and those who are smart enough to follow them.
Truman Capote frequented a Key West Bar. A man's wife, enamored of Capote left her drunken husband's table, walked over and gushingly asked Capote to autograph a paper napkin.

The woman's husband angrily, staggered over to Capote's table, assumed an intimidating position over the diminutive writer, pulled out his junk and bellowed in a drunken slur, "Since you're autographing things, why don't you autograph this?"

Capote's response was sanjeevous:
"I don't know if I can autograph it, but perhaps I can initial it."
by Captclam January 12, 2012