Final answer:
The funny bone is often referred to as the ulnar nerve. Hitting the ulnar nerve can cause a sharp, tingling sensation in the forearm and hand.
Step-by-step explanation:
The funny bone is often referred to as the ulnar nerve. The ulnar nerve is a major nerve of the upper limb that runs close to the surface of the skin. When you hit your funny bone, it actually refers to hitting the ulnar nerve, which can cause a sharp, tingling sensation in the forearm and hand.