bump in the road vs wop-wops

bump in the road

noun
  • A very small town. 

  • A setback or obstacle, especially one which is relatively minor. 

wop-wops

noun
  • An out of the way place; the boondocks or backcountry. 

How often have the words bump in the road and wop-wops occurred in a corpus of books? (source: Google Ngram Viewer )