crazy bone

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crazy bone

A point on the elbow that causes a painful tingling feeling when struck. Also known as the "funny bone," which is thought to be a play on the homophones "humorous" and "humerus" (the arm bone that connects the elbow and shoulder). Ugh, I just hit my crazy bone against the wall.
See also: bone, crazy

crazy bone

n. the elbow. Ouch! I hit my crazy bone!
See also: bone, crazy