Definition of "wig"

noun:
- A head of real or synthetic hair worn on the head to disguise baldness; for cultural or religious reasons; for fashion; or by actors to help them better resemble the character they are portraying.
  
  from Wiktionary, Creative Commons Attribution/Share-Alike License
verb:
- To put on a wig; to provide with a wig (especially of an actor etc.).
  
  from Wiktionary, Creative Commons Attribution/Share-Alike License
- To upbraid, reprimand.
  
  from Wiktionary, Creative Commons Attribution/Share-Alike License
- To become very excitable or emotional; to lose control of one's emotions.
  
  from Wiktionary, Creative Commons Attribution/Share-Alike License