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A hypodermic needle specifically designed to inject into the knee joint for such things as Hyalgan or Cortizone.
Dr. - Ok, I am going to have to give you an injection in your bum knee.

Patient - Holy shnikes Doc...that is not a needle, it is a KNEEDLE! You get it? Kneedle?

Dr. - Yes, I get it....not funny. Don't pursue a stand up comedy career.
by archyis January 08, 2010
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