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The funny bone.
(Anatomy) a US name for funny bone
1. the part of the elbow where the ulnar nerve passes close to the surface and which, when struck, causes a peculiar tingling sensation in the arm and hand.
2. a sense of humor.
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|Noun||1.||crazy bone - a point on the elbow where the ulnar nerve passes near the surface; a sharp tingling sensation results when the nerve is knocked against the bone; "the funny bone is not humerus"|
cubital nerve, nervus ulnaris, ulnar nerve - a nerve running along the inner side of the arm and passing near the elbow; supplies intrinsic muscles of the hand and the skin of the medial side of the hand