trouser vs walk away with

trouser

verb
  • To secretively steal (an item or money) for personal use. 

  • To put (money) into one's trouser pocket; to pocket. 

  • To take and keep (something, especially money, that is not one's own); to pocket. 

noun
  • A pair of trousers. 

  • Of or relating to trousers. 

walk away with

verb
  • To steal (something) or to come to possess something that was contested; to walk off with. 

  • To win (a competition or contest) handily or by a large margin. 

How often have the words trouser and walk away with occurred in a corpus of books? (source: Google Ngram Viewer )