big-ass vs stupendous

big-ass

adj
  • Very large, expansive, fat, impressive, muscular, intimidating, or important. 

stupendous

adj
  • Astonishingly great or large; huge; enormous. 

  • Of stunning excellence or degree; marvelous. 

How often have the words big-ass and stupendous occurred in a corpus of books? (source: Google Ngram Viewer )