1) Crazy bone 2) Sense of humor 3) Sensitive elbow spot 4) Sensitive spot on the elbow 5) Ulnar nerve area 1) Silly-looking steak 
This is really the ulnar nerve, which in most people is so little protected where it passes behind the internal condyle (the projection of the lower end of the humerus at the inner side) to the forearm, that it is often affected by blows on that part. The tingling sensation which is then felt to sho...
As in it tickled my funny bone. When the elbow is bumped, the ulnar nerve rnning past the elbow is stimulated and produces a strange (funny) electric sensation. ... (12 Dec 1998) ... 
the region of the elbow where the medial epicondyle of the humerus is crossed by the ulnar nerve.
Type: Term Definitions: 1. colloquial name for tip of olecranon.
Funny bone: As in 'it tickled my funny bone.' When the elbow is bumped, the ulnar nerve running past the elbow is stimulated and produces a strange (funny) electric sensation.
[n] - a point on the elbow where the ulnar nerve passes near the surface
crazy bone noun 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`
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. · a sense of humor.