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Noun: crazy bone  krey-zee bown
Usage: N. Amer (elsewhere: funny bone)
  1. The spot where the ulnar nerve passes over the elbow, which when struck causes a tingling or painful sensation
    "He hit his crazy bone on the doorframe";
    - funny bone

Derived forms: crazy bones

Type of: cubital nerve, nervus ulnaris, ulnar nerve

Part of: articulatio cubiti, cubital joint, cubitus, elbow, elbow joint, human elbow