Nitrous oxide.(seriously, though? Make the punchline come completely out of the blue - the joke should be completely unexpected to work.)
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?!,
Wed 9 Jul 2003, 15:30,
archived)
I started to try to think of something helpful to saythen remembered I'm rarely all that funny
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Pootle,
Wed 9 Jul 2003, 15:33,
archived)