Definition

1. 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: This term refers to the specific anatomical spot on the inner elbow where the ulnar nerve is close to the skin. Striking this area causes a distinct, sharp, tingling, or painful sensation.

Usage

• The term "crazy bone" is used to describe both the anatomical location and the sensation felt when it is hit. It is a common informal term in everyday English, often used interchangeably with "funny bone."

Examples

• Noun:
  • I accidentally hit my crazy bone on the edge of the table, and my whole arm went numb for a moment.
  • When you bump your crazy bone, it sends a weird tingling feeling down to your fingers.

Advanced Usage

• "To hit one's crazy bone": This is the standard phrase used to describe the action of striking this specific nerve.
  • Be careful not to hit your crazy bone on the doorframe.

Variants and Related Words

• Funny bone (n): The more common informal synonym for "crazy bone." It is a pun, as the bone in the upper arm is the (sounding like "humorous").
  • Ouch! I just banged my funny bone.

Synonyms

• Ulnar nerve point: A more clinical, descriptive term for the same location.

Notes on Meaning

• The term specifically refers to the sensation caused by impacting the ulnar nerve, not the bone itself. The note "the funny bone is not humerus" is a common joke clarifying that the sensation comes from the nerve, not the humerus bone, even though the name is a pun on it.

Noun

1. 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