dirtbag vs slob

dirtbag

noun
  • A dirty, grimy, sleazy, or disreputable person. 

  • A poor climber, alpinist, skier or other outdoorsman who lives cheaply, without normal employment, and with few amenities in order to spend as much time on their sport as possible. Used praisingly. 

slob

noun
  • A lazy and slovenly or obese person. 

verb
  • To act like a slob, in a lazy or slovenly way. 

  • To slop or spatter. 

  • To move slowly or cumbersomely. 

  • To drool or slobber; to talk while slobbering. 

  • To perform fellatio. 

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