bitching vs sick-ass

bitching

adj

  • Excellent; outstanding. 

  • Awful, terrible. 

noun

  • A spiteful criticism or complaint. 

sick-ass

adj

  • Impressive. 

  • Mentally disturbed or unsound; malevolently crazy. 

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