gravitationally challenged vs overnourished

gravitationally challenged

adj
  • Fat. 

  • Of a person, having a poor sense of balance; subject to intervals of dizziness. 

overnourished

adj
  • Overweight. 

  • Excessively nourished. 

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