funny bonefunny bone
- a place on the inner elbow where the ulnar nerve passes close to the surface: a sharp impact at this place causes a strange, tingling sensation in the arm
- inclination to laughter; (one's) risibilities
Origin of funny bonefrom its reaction to impact, but probably also suggested by the pun on humerus/humorous
- A point on the elbow where the ulnar nerve runs close to the surface and produces a sharp tingling sensation if knocked against the bone.
- A sense of humor.