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Old 2nd Dec 2011, 09:21
  #17 (permalink)  
Tee Emm
 
Join Date: Jun 2006
Location: Australia
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but hey what do I know:
What a most unusual expression this is; and seen so often in Pprune. Can any reader tell me what on earth "but hey what do I know", means when added on the end of a sentence?
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