go mental vs wig out

go mental

verb
  • To become extremely angry. 

  • To become wild with excitement. 

wig out

verb
  • To cause to become extremely emotional or excitable. 

  • To behave in an extremely erratic or irrational manner; to lose one's mind. 

  • To become extremely emotional or excitable; to lose control of one's emotions. 

noun
  • A chaotic or crazy episode. 

How often have the words go mental and wig out occurred in a corpus of books? (source: Google Ngram Viewer )