lose one's shit vs snicker

lose one's shit

verb
  • To break down in laughter. 

  • To lose one's temper. 

  • To have a sudden burst of emotion, regardless of the type of feeling. 

snicker

verb
  • To utter through a laugh of this kind. 

  • To emit a snicker, a stifled or broken laugh. 

  • To whinny. 

noun
  • A stifled or broken laugh. 

  • A player who snicks the ball. 

How often have the words lose one's shit and snicker occurred in a corpus of books? (source: Google Ngram Viewer )