gorbellied vs gravitationally challenged

gorbellied

adj
  • having a gorbelly; fat; potbellied 

gravitationally challenged

adj
  • Fat. 

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

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