gravitationally challenged vs sebaceous

gravitationally challenged

adj
  • Fat. 

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

sebaceous

adj
  • oozing fat 

  • tallowy, waxy 

  • of or relating to fat, sebum 

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