| 1. | the part of the elbow where the ulnar nerve passes by the internal condyle of the humerus, which when struck causes a peculiar, tingling sensation in the arm and hand; crazy bone. |
| 2. | a sense of humor. |
| funny bone n. Informal
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funny bone fun·ny bone (fŭn'ē)
n.
A point on the elbow where the ulnar nerve runs close to the surface and produces a tingling sensation if knocked against bone.
funny bone
A point on the elbow where the ulnar nerve runs close to the surface and produces a sharp tingling sensation when knocked against the bone. For example, Ouch! I just banged my funny bone. The expression is a pun on humerus (pronounced the same as humorous), the Latin name for the long bone of the arm. [Early 1800s]
A sense of humor, as in That comedian really tickles my funny bone. This expression is derived from def. 1.