mosey vs sit on one’s butt

mosey

verb
  • To go off quickly: to hurry up. 

  • To set off, get going; to start a journey. 

  • To amble; to walk or proceed in a leisurely manner. 

sit on one’s butt

How often have the words mosey and sit on one’s butt occurred in a corpus of books? (source: Google Ngram Viewer )