A bloke walks into a barwith a crocodile under his arm.
  "Why are you carrying a crocodile under your arm?" asks the barman.
  "well," says the bloke "It's a special crocodile. If you hit it over the
  head with a stick, it sucks you off".
  Never" says the barman, "Prove it."
  So the bloke hits the croc over the head, and low and behold, it sucks 
  him off.
  "Thats quite impressive." Admits the barman.
  "Yeah" says the bloke "Anyone else want a go?"
  "Yeah, I'll try hit." says a little old lady in the corner "But don't 
  hit me over the head with that stick."
 

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