mooch vs pipe snake

mooch

noun
  • One who mooches; a moocher. 

  • An aimless stroll. 

  • A unit of time comprising ten days, used to measure how long someone holds a job. 

verb
  • To wander around aimlessly, often causing irritation to others. 

  • To steal or filch. 

  • To beg, cadge, or sponge; to exploit or take advantage of others for personal gain. 

pipe snake

noun
  • Synonym of plumber's snake 

  • Shieldtail snake, family Uropeltidae. 

How often have the words mooch and pipe snake occurred in a corpus of books? (source: Google Ngram Viewer )