Related Clues:

• Elbow counterpart
• Sense of self
• A star may have a big one
• It may be slapped
• Companion of the id
• It's covered by a cap
• Tripper's problem?
• Trip for a narcissist?
• Self-centeredness
• Id companion
• Word with sock or jerk
• Spot for a cap
• It's all about me
• Certain joint
• Patella's joint