Finish off Rickles, take no prisoners.
R&R: We'll give you a running start.
RICKLES: (blubbering and his bald head bright red) Oh yeah? Well, a high fiber diet will bring out the best in you!
YOU: I know you are. But what am I!!!
RICKLES: (Stunned into silence, his mouth hanging open.)
R&R: Now you did it. You dropped the big one! The one retort from which there is no recovery. The single best response to sarcasm. We guess it's true. You did learn everything you needed to know in Kindergarden.
(Your co-workers pat you on the back as the meeting breaks up. Rickles still sits in the room uttering unintelligible sounds and twitching. It's just his autonomic nervous system now. His brain is gone. People in their cubicles turn to whisper to each other as you pass. The word is spreading. You get back to your office and check your voice mail. There is a message from the president. He wants to see you NOW!)
YOU:
Ten Types 
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