out of gas vs shabby

out of gas

prep
  • Tired; lacking energy or motivation. 

  • Used other than figuratively or idiomatically: see out of, gas.: lacking fuel. 

shabby

adj
  • Wearing ragged, very worn, or dirty clothing. 

  • Mean; despicable. 

  • Torn or worn; unkempt. 

  • Poor; showing little effort or talent. 

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